520162825 has 48 divisors (see below), whose sum is σ = 828446976. Its totient is φ = 314899200.

The previous prime is 520162817. The next prime is 520162831. The reversal of 520162825 is 528261025.

It is not a de Polignac number, because 520162825 - 2³ = 520162817 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 47355 + ... + 57295.

It is an arithmetic number, because the mean of its divisors is an integer number (17259312).

Almost surely, 2^520162825 is an apocalyptic number.

It is an amenable number.

520162825 is a deficient number, since it is larger than the sum of its proper divisors (308284151).

520162825 is a wasteful number, since it uses less digits than its factorization.

520162825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9994 (or 9989 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 31.

The square root of 520162825 is about 22807.0783968486. The cubic root of 520162825 is about 804.2290756091.

The spelling of 520162825 in words is "five hundred twenty million, one hundred sixty-two thousand, eight hundred twenty-five".