509025265 has 16 divisors (see below), whose sum is σ = 705939840. Its totient is φ = 345121920.

The previous prime is 509025263. The next prime is 509025289. The reversal of 509025265 is 562520905.

It is not a de Polignac number, because 509025265 - 2¹ = 509025263 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 509025265.

It is not an unprimeable number, because it can be changed into a prime (509025263) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78591 + ... + 84820.

It is an arithmetic number, because the mean of its divisors is an integer number (44121240).

Almost surely, 2^509025265 is an apocalyptic number.

It is an amenable number.

509025265 is a deficient number, since it is larger than the sum of its proper divisors (196914575).

509025265 is a wasteful number, since it uses less digits than its factorization.

509025265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163512.

The product of its (nonzero) digits is 27000, while the sum is 34.

The square root of 509025265 is about 22561.5882641272. The cubic root of 509025265 is about 798.4476485588.

The spelling of 509025265 in words is "five hundred nine million, twenty-five thousand, two hundred sixty-five".