2521252 has 12 divisors (see below), whose sum is σ = 4484956. Its totient is φ = 1239840.

The previous prime is 2521249. The next prime is 2521271.

2521252 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 2 ways, for example, as 820836 + 1700416 = 906^2 + 1304^2 .

It is a hoax number, since the sum of its digits (19) coincides with the sum of the digits of its distinct prime factors.

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

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, 4923 + ... + 5410.

2^2521252 is an apocalyptic number.

It is an amenable number.

2521252 is a deficient number, since it is larger than the sum of its proper divisors (1963704).

2521252 is a wasteful number, since it uses less digits than its factorization.

2521252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10398 (or 10396 counting only the distinct ones).

The product of its digits is 400, while the sum is 19.

The square root of 2521252 is about 1587.8450806045. The cubic root of 2521252 is about 136.1043748930.

The spelling of 2521252 in words is "two million, five hundred twenty-one thousand, two hundred fifty-two".