520012425 has 24 divisors (see below), whose sum is σ = 905006560. Its totient is φ = 262742400.

The previous prime is 520012421. The next prime is 520012447. The reversal of 520012425 is 524210025.

It is a happy number.

It is not a de Polignac number, because 520012425 - 2² = 520012421 is a prime.

It is not an unprimeable number, because it can be changed into a prime (520012421) 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 23 ways as a sum of consecutive naturals, for example, 181036 + ... + 183885.

Almost surely, 2^520012425 is an apocalyptic number.

It is an amenable number.

520012425 is a deficient number, since it is larger than the sum of its proper divisors (384994135).

520012425 is a wasteful number, since it uses less digits than its factorization.

520012425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 364953 (or 364948 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 520012425 is about 22803.7809365026. The cubic root of 520012425 is about 804.1515564767.

The spelling of 520012425 in words is "five hundred twenty million, twelve thousand, four hundred twenty-five".