520864299 has 24 divisors (see below), whose sum is σ = 769691312. Its totient is φ = 339318720.

The previous prime is 520864283. The next prime is 520864303. The reversal of 520864299 is 992468025.

520864299 is a `hidden beast` number, since 520 + 86 + 42 + 9 + 9 = 666.

It is not a de Polignac number, because 520864299 - 2⁴ = 520864283 is a prime.

It is a super-2 number, since 2×520864299² = 542599235945522802, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (520864229) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 83172 + ... + 89214.

Almost surely, 2^520864299 is an apocalyptic number.

520864299 is a deficient number, since it is larger than the sum of its proper divisors (248827013).

520864299 is a wasteful number, since it uses less digits than its factorization.

520864299 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6267 (or 6264 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The square root of 520864299 is about 22822.4516430641. The cubic root of 520864299 is about 804.5904319340.

The spelling of 520864299 in words is "five hundred twenty million, eight hundred sixty-four thousand, two hundred ninety-nine".