265815795 has 32 divisors (see below), whose sum is σ = 511649280. Its totient is φ = 115119360.

The previous prime is 265815773. The next prime is 265815799. The reversal of 265815795 is 597518562.

It is a happy number.

It is not a de Polignac number, because 265815795 - 2¹⁵ = 265783027 is a prime.

It is not an unprimeable number, because it can be changed into a prime (265815799) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 64626 + ... + 68615.

It is an arithmetic number, because the mean of its divisors is an integer number (15989040).

Almost surely, 2^265815795 is an apocalyptic number.

265815795 is a deficient number, since it is larger than the sum of its proper divisors (245833485).

265815795 is a wasteful number, since it uses less digits than its factorization.

265815795 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133275.

The product of its digits is 756000, while the sum is 48.

The square root of 265815795 is about 16303.8582856942. The cubic root of 265815795 is about 642.9742706864.

The spelling of 265815795 in words is "two hundred sixty-five million, eight hundred fifteen thousand, seven hundred ninety-five".