63215232 has 32 divisors (see below), whose sum is σ = 167916480. Its totient is φ = 21071616.

The previous prime is 63215219. The next prime is 63215239. The reversal of 63215232 is 23251236.

It is a tau number, because it is divible by the number of its divisors (32).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (63215239) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81928 + ... + 82695.

It is an arithmetic number, because the mean of its divisors is an integer number (5247390).

Almost surely, 2^63215232 is an apocalyptic number.

It is an amenable number.

63215232 is an abundant number, since it is smaller than the sum of its proper divisors (104701248).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

63215232 is a wasteful number, since it uses less digits than its factorization.

63215232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164640 (or 164628 counting only the distinct ones).

The product of its digits is 2160, while the sum is 24.

The square root of 63215232 is about 7950.8007143935. The cubic root of 63215232 is about 398.3583382508.

Adding to 63215232 its reverse (23251236), we get a palindrome (86466468).

The spelling of 63215232 in words is "sixty-three million, two hundred fifteen thousand, two hundred thirty-two".