2557204 has 12 divisors (see below), whose sum is σ = 4819444. Its totient is φ = 1180224.

The previous prime is 2557201. The next prime is 2557213. The reversal of 2557204 is 4027552.

It can be written as a sum of positive squares in 2 ways, for example, as 448900 + 2108304 = 670^2 + 1452^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2557201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24537 + ... + 24640.

2^2557204 is an apocalyptic number.

It is an amenable number.

2557204 is a deficient number, since it is larger than the sum of its proper divisors (2262240).

2557204 is a wasteful number, since it uses less digits than its factorization.

2557204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49194 (or 49192 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 25.

The square root of 2557204 is about 1599.1260112949. The cubic root of 2557204 is about 136.7482545423.

The spelling of 2557204 in words is "two million, five hundred fifty-seven thousand, two hundred four".