525045904 has 20 divisors (see below), whose sum is σ = 1025046000. Its totient is φ = 260517920.

The previous prime is 525045893. The next prime is 525045907. The reversal of 525045904 is 409540525.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 525045904.

It is not an unprimeable number, because it can be changed into a prime (525045907) 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 3 ways as a sum of consecutive naturals, for example, 123154 + ... + 127345.

It is an arithmetic number, because the mean of its divisors is an integer number (51252300).

Almost surely, 2^525045904 is an apocalyptic number.

It is an amenable number.

525045904 is a deficient number, since it is larger than the sum of its proper divisors (500000096).

525045904 is a wasteful number, since it uses less digits than its factorization.

525045904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250638 (or 250632 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 34.

The square root of 525045904 is about 22913.8801602871. The cubic root of 525045904 is about 806.7378343361.

The spelling of 525045904 in words is "five hundred twenty-five million, forty-five thousand, nine hundred four".