811632252 has 24 divisors (see below), whose sum is σ = 1897710976. Its totient is φ = 269986608.

The previous prime is 811632247. The next prime is 811632287. The reversal of 811632252 is 252236118.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63598 + ... + 75285.

Almost surely, 2^811632252 is an apocalyptic number.

It is an amenable number.

811632252 is an abundant number, since it is smaller than the sum of its proper divisors (1086078724).

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

811632252 is a wasteful number, since it uses less digits than its factorization.

811632252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139377 (or 139375 counting only the distinct ones).

The product of its digits is 5760, while the sum is 30.

The square root of 811632252 is about 28489.1602543845. The cubic root of 811632252 is about 932.7954781464.

The spelling of 811632252 in words is "eight hundred eleven million, six hundred thirty-two thousand, two hundred fifty-two".