63155625 has 40 divisors (see below), whose sum is σ = 113363712. Its totient is φ = 31080000.

The previous prime is 63155597. The next prime is 63155627. The reversal of 63155625 is 52655136.

It is not a de Polignac number, because 63155625 - 2⁷ = 63155497 is a prime.

It is not an unprimeable number, because it can be changed into a prime (63155627) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 23080 + ... + 25670.

Almost surely, 2^63155625 is an apocalyptic number.

63155625 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

63155625 is a deficient number, since it is larger than the sum of its proper divisors (50208087).

63155625 is a wasteful number, since it uses less digits than its factorization.

63155625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2627 (or 2612 counting only the distinct ones).

The product of its digits is 27000, while the sum is 33.

The square root of 63155625 is about 7947.0513399625. The cubic root of 63155625 is about 398.2330919991.

The spelling of 63155625 in words is "sixty-three million, one hundred fifty-five thousand, six hundred twenty-five".