520383025 has 12 divisors (see below), whose sum is σ = 653051952. Its totient is φ = 411289040.

The previous prime is 520383023. The next prime is 520383041.

520383025 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 520383025 - 2¹ = 520383023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 520382984 and 520383002.

It is not an unprimeable number, because it can be changed into a prime (520383023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 123319 + ... + 127468.

It is an arithmetic number, because the mean of its divisors is an integer number (54420996).

Almost surely, 2^520383025 is an apocalyptic number.

It is an amenable number.

520383025 is a deficient number, since it is larger than the sum of its proper divisors (132668927).

520383025 is a wasteful number, since it uses less digits than its factorization.

520383025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250880 (or 250875 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 520383025 is about 22811.9053347150. The cubic root of 520383025 is about 804.3425440915.

The spelling of 520383025 in words is "five hundred twenty million, three hundred eighty-three thousand, twenty-five".