520343025 has 96 divisors (see below), whose sum is σ = 949939200. Its totient is φ = 250387200.

The previous prime is 520343023. The next prime is 520343069.

520343025 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 520343025 - 2¹ = 520343023 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 520342986 and 520343004.

It is not an unprimeable number, because it can be changed into a prime (520343023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 3743406 + ... + 3743544.

It is an arithmetic number, because the mean of its divisors is an integer number (9895200).

Almost surely, 2^520343025 is an apocalyptic number.

It is an amenable number.

520343025 is a deficient number, since it is larger than the sum of its proper divisors (429596175).

520343025 is a wasteful number, since it uses less digits than its factorization.

520343025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279 (or 274 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 24.

The square root of 520343025 is about 22811.0285826834. The cubic root of 520343025 is about 804.3219345759.

The spelling of 520343025 in words is "five hundred twenty million, three hundred forty-three thousand, twenty-five".