64012525 has 12 divisors (see below), whose sum is σ = 79524052. Its totient is φ = 51114240.

The previous prime is 64012493. The next prime is 64012567. The reversal of 64012525 is 52521046.

64012525 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 4012009 + 60000516 = 2003^2 + 7746^2 .

It is not a de Polignac number, because 64012525 - 2⁵ = 64012493 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 64012525.

It is a congruent number.

It is an unprimeable number.

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, 13237 + ... + 17413.

Almost surely, 2^64012525 is an apocalyptic number.

It is an amenable number.

64012525 is a deficient number, since it is larger than the sum of its proper divisors (15511527).

64012525 is a wasteful number, since it uses less digits than its factorization.

64012525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4800 (or 4795 counting only the distinct ones).

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

The square root of 64012525 is about 8000.7827742040. The cubic root of 64012525 is about 400.0260920480.

The spelling of 64012525 in words is "sixty-four million, twelve thousand, five hundred twenty-five".