63612925 has 6 divisors (see below), whose sum is σ = 78880058. Its totient is φ = 50890320.

The previous prime is 63612919. The next prime is 63612971. The reversal of 63612925 is 52921636.

It can be written as a sum of positive squares in 3 ways, for example, as 5044516 + 58568409 = 2246^2 + 7653^2 .

It is not a de Polignac number, because 63612925 - 2¹⁵ = 63580157 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1272234 + ... + 1272283.

Almost surely, 2^63612925 is an apocalyptic number.

It is an amenable number.

63612925 is a deficient number, since it is larger than the sum of its proper divisors (15267133).

63612925 is a wasteful number, since it uses less digits than its factorization.

63612925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2544527 (or 2544522 counting only the distinct ones).

The product of its digits is 19440, while the sum is 34.

The square root of 63612925 is about 7975.7711225937. The cubic root of 63612925 is about 399.1919625378.

The spelling of 63612925 in words is "sixty-three million, six hundred twelve thousand, nine hundred twenty-five".