6637252 has 12 divisors (see below), whose sum is σ = 11646460. Its totient is φ = 3309696.

The previous prime is 6637249. The next prime is 6637273. The reversal of 6637252 is 2527366.

It can be written as a sum of positive squares in 2 ways, for example, as 4910656 + 1726596 = 2216^2 + 1314^2 .

It is a super-2 number, since 2×6637252² = 88106228223008, which contains 22 as substring.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

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, 393 + ... + 3664.

Almost surely, 2^6637252 is an apocalyptic number.

It is an amenable number.

6637252 is a deficient number, since it is larger than the sum of its proper divisors (5009208).

6637252 is a wasteful number, since it uses less digits than its factorization.

6637252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4470 (or 4468 counting only the distinct ones).

The product of its digits is 15120, while the sum is 31.

The square root of 6637252 is about 2576.2864747539. The cubic root of 6637252 is about 187.9299950614.

It can be divided in two parts, 6637 and 252, that added together give a square (6889 = 83²).

The spelling of 6637252 in words is "six million, six hundred thirty-seven thousand, two hundred fifty-two".