2521232 has 20 divisors (see below), whose sum is σ = 5582976. Its totient is φ = 1080480.

The previous prime is 2521223. The next prime is 2521249. The reversal of 2521232 is 2321252.

It is a super-2 number, since 2×2521232² = 12713221595648, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is a self number, because there is not a number n which added to its sum of digits gives 2521232.

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, 11144 + ... + 11367.

2^2521232 is an apocalyptic number.

It is an amenable number.

2521232 is an abundant number, since it is smaller than the sum of its proper divisors (3061744).

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

2521232 is a wasteful number, since it uses less digits than its factorization.

2521232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22526 (or 22520 counting only the distinct ones).

The product of its digits is 240, while the sum is 17.

The square root of 2521232 is about 1587.8387827484. The cubic root of 2521232 is about 136.1040150064.

Adding to 2521232 its reverse (2321252), we get a palindrome (4842484).

The spelling of 2521232 in words is "two million, five hundred twenty-one thousand, two hundred thirty-two".