63212525 has 24 divisors (see below), whose sum is σ = 83685120. Its totient is φ = 47226240.

The previous prime is 63212521. The next prime is 63212581. The reversal of 63212525 is 52521236.

It is not a de Polignac number, because 63212525 - 2² = 63212521 is a prime.

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

It is a junction number, because it is equal to n+sod(n) for n = 63212494 and 63212503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63212521) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 33764 + ... + 35586.

It is an arithmetic number, because the mean of its divisors is an integer number (3486880).

Almost surely, 2^63212525 is an apocalyptic number.

It is an amenable number.

63212525 is a deficient number, since it is larger than the sum of its proper divisors (20472595).

63212525 is a wasteful number, since it uses less digits than its factorization.

63212525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1925 (or 1920 counting only the distinct ones).

The product of its digits is 3600, while the sum is 26.

The square root of 63212525 is about 7950.6304781445. The cubic root of 63212525 is about 398.3526520084.

The spelling of 63212525 in words is "sixty-three million, two hundred twelve thousand, five hundred twenty-five".