63896625 has 96 divisors (see below), whose sum is σ = 131852448. Its totient is φ = 29491200.

The previous prime is 63896617. The next prime is 63896633. The reversal of 63896625 is 52669836.

It is a happy number.

63896625 is a `hidden beast` number, since 638 + 9 + 6 + 6 + 2 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (63896617) and next prime (63896633).

It can be written as a sum of positive squares in 16 ways, for example, as 27499536 + 36397089 = 5244^2 + 6033^2 .

It is not a de Polignac number, because 63896625 - 2³ = 63896617 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 248497 + ... + 248753.

It is an arithmetic number, because the mean of its divisors is an integer number (1373463).

Almost surely, 2^63896625 is an apocalyptic number.

63896625 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

63896625 is an abundant number, since it is smaller than the sum of its proper divisors (67955823).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

63896625 is a wasteful number, since it uses less digits than its factorization.

63896625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308 (or 295 counting only the distinct ones).

The product of its digits is 466560, while the sum is 45.

The square root of 63896625 is about 7993.5364514087. The cubic root of 63896625 is about 399.7845193577.

The spelling of 63896625 in words is "sixty-three million, eight hundred ninety-six thousand, six hundred twenty-five".