663532252 has 12 divisors (see below), whose sum is σ = 1172034360. Its totient is φ = 328665296.

The previous prime is 663532241. The next prime is 663532357. The reversal of 663532252 is 252235366.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 774727 + ... + 775582.

It is an arithmetic number, because the mean of its divisors is an integer number (97669530).

Almost surely, 2^663532252 is an apocalyptic number.

It is an amenable number.

663532252 is a deficient number, since it is larger than the sum of its proper divisors (508502108).

663532252 is a wasteful number, since it uses less digits than its factorization.

663532252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1550420 (or 1550418 counting only the distinct ones).

The product of its digits is 64800, while the sum is 34.

The square root of 663532252 is about 25759.1197830982. The cubic root of 663532252 is about 872.2092317688.

The spelling of 663532252 in words is "six hundred sixty-three million, five hundred thirty-two thousand, two hundred fifty-two".