520432465 has 16 divisors (see below), whose sum is σ = 716382720. Its totient is φ = 355544640.

The previous prime is 520432447. The next prime is 520432469. The reversal of 520432465 is 564234025.

It is not a de Polignac number, because 520432465 - 2⁷ = 520432337 is a prime.

It is not an unprimeable number, because it can be changed into a prime (520432469) 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, 17950 + ... + 36919.

It is an arithmetic number, because the mean of its divisors is an integer number (44773920).

Almost surely, 2^520432465 is an apocalyptic number.

It is an amenable number.

520432465 is a deficient number, since it is larger than the sum of its proper divisors (195950255).

520432465 is a wasteful number, since it uses less digits than its factorization.

520432465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55152.

The product of its (nonzero) digits is 28800, while the sum is 31.

The square root of 520432465 is about 22812.9889536641. The cubic root of 520432465 is about 804.3680159934.

The spelling of 520432465 in words is "five hundred twenty million, four hundred thirty-two thousand, four hundred sixty-five".