63898125 has 40 divisors (see below), whose sum is σ = 108640224. Its totient is φ = 33384000.

The previous prime is 63898111. The next prime is 63898139. The reversal of 63898125 is 52189836.

It is an interprime number because it is at equal distance from previous prime (63898111) and next prime (63898139).

It is not a de Polignac number, because 63898125 - 2¹² = 63894029 is a prime.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 99054 + ... + 99696.

Almost surely, 2^63898125 is an apocalyptic number.

It is an amenable number.

63898125 is a deficient number, since it is larger than the sum of its proper divisors (44742099).

63898125 is an equidigital number, since it uses as much as digits as its factorization.

63898125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 719 (or 704 counting only the distinct ones).

The product of its digits is 103680, while the sum is 42.

The square root of 63898125 is about 7993.6302766640. The cubic root of 63898125 is about 399.7876477029.

The spelling of 63898125 in words is "sixty-three million, eight hundred ninety-eight thousand, one hundred twenty-five".