513072465 has 16 divisors (see below), whose sum is σ = 823290048. Its totient is φ = 272847296.

The previous prime is 513072457. The next prime is 513072499. The reversal of 513072465 is 564270315.

It is a cyclic number.

It is not a de Polignac number, because 513072465 - 2³ = 513072457 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44082 + ... + 54491.

It is an arithmetic number, because the mean of its divisors is an integer number (51455628).

Almost surely, 2^513072465 is an apocalyptic number.

It is an amenable number.

513072465 is a deficient number, since it is larger than the sum of its proper divisors (310217583).

513072465 is a wasteful number, since it uses less digits than its factorization.

513072465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98928.

The product of its (nonzero) digits is 25200, while the sum is 33.

The square root of 513072465 is about 22651.1029532780. The cubic root of 513072465 is about 800.5581859658.

The spelling of 513072465 in words is "five hundred thirteen million, seventy-two thousand, four hundred sixty-five".