525400612 has 24 divisors (see below), whose sum is σ = 1003619232. Its totient is φ = 238680000.

The previous prime is 525400591. The next prime is 525400643. The reversal of 525400612 is 216004525.

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, 141208 + ... + 144880.

It is an arithmetic number, because the mean of its divisors is an integer number (41817468).

Almost surely, 2^525400612 is an apocalyptic number.

It is an amenable number.

525400612 is a deficient number, since it is larger than the sum of its proper divisors (478218620).

525400612 is a wasteful number, since it uses less digits than its factorization.

525400612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6939 (or 6937 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 525400612 is about 22921.6188782555. The cubic root of 525400612 is about 806.9194641363.

The spelling of 525400612 in words is "five hundred twenty-five million, four hundred thousand, six hundred twelve".