33287252 has 6 divisors (see below), whose sum is σ = 58252698. Its totient is φ = 16643624.

The previous prime is 33287249. The next prime is 33287257. The reversal of 33287252 is 25278233.

It can be written as a sum of positive squares in only one way, i.e., 31764496 + 1522756 = 5636^2 + 1234^2 .

It is a super-2 number, since 2×33287252² = 2216082291423008, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33287257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4160903 + ... + 4160910.

It is an arithmetic number, because the mean of its divisors is an integer number (9708783).

Almost surely, 2^33287252 is an apocalyptic number.

It is an amenable number.

33287252 is a deficient number, since it is larger than the sum of its proper divisors (24965446).

33287252 is a wasteful number, since it uses less digits than its factorization.

33287252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8321817 (or 8321815 counting only the distinct ones).

The product of its digits is 20160, while the sum is 32.

The square root of 33287252 is about 5769.5105511646. The cubic root of 33287252 is about 321.6814230153.

The spelling of 33287252 in words is "thirty-three million, two hundred eighty-seven thousand, two hundred fifty-two".