520513355 has 8 divisors (see below), whose sum is σ = 627756000. Its totient is φ = 414317376.

The previous prime is 520513333. The next prime is 520513381. The reversal of 520513355 is 553315025.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 520513355 - 2⁶ = 520513291 is a prime.

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, 260570 + ... + 262559.

It is an arithmetic number, because the mean of its divisors is an integer number (78469500).

Almost surely, 2^520513355 is an apocalyptic number.

520513355 is a deficient number, since it is larger than the sum of its proper divisors (107242645).

520513355 is a wasteful number, since it uses less digits than its factorization.

520513355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 523333.

The product of its (nonzero) digits is 11250, while the sum is 29.

The square root of 520513355 is about 22814.7617782873. The cubic root of 520513355 is about 804.4096877199.

The spelling of 520513355 in words is "five hundred twenty million, five hundred thirteen thousand, three hundred fifty-five".