63520125 has 32 divisors (see below), whose sum is σ = 106704000. Its totient is φ = 33555200.

The previous prime is 63520123. The next prime is 63520133. The reversal of 63520125 is 52102536.

It is not a de Polignac number, because 63520125 - 2¹ = 63520123 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 63520095 and 63520104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63520123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 41626 + ... + 43124.

It is an arithmetic number, because the mean of its divisors is an integer number (3334500).

Almost surely, 2^63520125 is an apocalyptic number.

It is an amenable number.

63520125 is a deficient number, since it is larger than the sum of its proper divisors (43183875).

63520125 is a wasteful number, since it uses less digits than its factorization.

63520125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1630 (or 1620 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 63520125 is about 7969.9513800274. The cubic root of 63520125 is about 398.9977512577.

The spelling of 63520125 in words is "sixty-three million, five hundred twenty thousand, one hundred twenty-five".