265012530 has 16 divisors (see below), whose sum is σ = 636030144. Its totient is φ = 70670000.

The previous prime is 265012499. The next prime is 265012549. The reversal of 265012530 is 35210562.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 265012530.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4416846 + ... + 4416905.

It is an arithmetic number, because the mean of its divisors is an integer number (39751884).

Almost surely, 2^265012530 is an apocalyptic number.

265012530 is an abundant number, since it is smaller than the sum of its proper divisors (371017614).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

265012530 is a wasteful number, since it uses less digits than its factorization.

265012530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8833761.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 265012530 is about 16279.2054474412. The cubic root of 265012530 is about 642.3259522405.

The spelling of 265012530 in words is "two hundred sixty-five million, twelve thousand, five hundred thirty".