63415625 has 48 divisors (see below), whose sum is σ = 97993728. Its totient is φ = 39960000.

The previous prime is 63415603. The next prime is 63415633. The reversal of 63415625 is 52651436.

It is not a de Polignac number, because 63415625 - 2¹⁸ = 63153481 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 63415591 and 63415600.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 284264 + ... + 284486.

It is an arithmetic number, because the mean of its divisors is an integer number (2041536).

Almost surely, 2^63415625 is an apocalyptic number.

63415625 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

63415625 is a deficient number, since it is larger than the sum of its proper divisors (34578103).

63415625 is an equidigital number, since it uses as much as digits as its factorization.

63415625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268 (or 248 counting only the distinct ones).

The product of its digits is 21600, while the sum is 32.

The square root of 63415625 is about 7963.3928070892. The cubic root of 63415625 is about 398.7788277229.

The spelling of 63415625 in words is "sixty-three million, four hundred fifteen thousand, six hundred twenty-five".