Provided is an electrophotographic photosensitive member which can simultaneously achieve less occurrence of leakage and the definition of an output image even when being an electrophotographic photosensitive member where a layer containing a metal oxide particle is adopted as an electroconductive layer, and which includes a support, an electroconductive layer and a photosensitive layer in this order, wherein the electroconductive layer contains a binder material and a particle represented by general formula (1):TiO2.00−XNY (1)wherein Ti represents a titanium atom, O represents an oxygen atom, N represents a nitrogen atom and 0.00<Y<X≤0.60 is satisfied.