63117525 has 24 divisors (see below), whose sum is σ = 109849120. Its totient is φ = 31890240.

The previous prime is 63117521. The next prime is 63117529. The reversal of 63117525 is 52571136.

63117525 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (63117521) and next prime (63117529).

It is not a de Polignac number, because 63117525 - 2² = 63117521 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 63117492 and 63117501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63117521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20722 + ... + 23571.

Almost surely, 2^63117525 is an apocalyptic number.

It is an amenable number.

63117525 is a deficient number, since it is larger than the sum of its proper divisors (46731595).

63117525 is a wasteful number, since it uses less digits than its factorization.

63117525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44325 (or 44320 counting only the distinct ones).

The product of its digits is 6300, while the sum is 30.

The square root of 63117525 is about 7944.6538628187. The cubic root of 63117525 is about 398.1529949747.

The spelling of 63117525 in words is "sixty-three million, one hundred seventeen thousand, five hundred twenty-five".