63256525 has 6 divisors (see below), whose sum is σ = 78438122. Its totient is φ = 50605200.

The previous prime is 63256517. The next prime is 63256553. The reversal of 63256525 is 52565236.

It can be written as a sum of positive squares in 3 ways, for example, as 751689 + 62504836 = 867^2 + 7906^2 .

It is not a de Polignac number, because 63256525 - 2³ = 63256517 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, 1265106 + ... + 1265155.

Almost surely, 2^63256525 is an apocalyptic number.

It is an amenable number.

63256525 is a deficient number, since it is larger than the sum of its proper divisors (15181597).

63256525 is a wasteful number, since it uses less digits than its factorization.

63256525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2530271 (or 2530266 counting only the distinct ones).

The product of its digits is 54000, while the sum is 34.

The square root of 63256525 is about 7953.3970729494. The cubic root of 63256525 is about 398.4450569629.

The spelling of 63256525 in words is "sixty-three million, two hundred fifty-six thousand, five hundred twenty-five".