2566204 has 6 divisors (see below), whose sum is σ = 4490864. Its totient is φ = 1283100.

The previous prime is 2566199. The next prime is 2566219. The reversal of 2566204 is 4026652.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 320772 + ... + 320779.

2^2566204 is an apocalyptic number.

It is an amenable number.

2566204 is a deficient number, since it is larger than the sum of its proper divisors (1924660).

2566204 is a wasteful number, since it uses less digits than its factorization.

2566204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 641555 (or 641553 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 2566204 is about 1601.9375768113. The cubic root of 2566204 is about 136.9084937806.

The spelling of 2566204 in words is "two million, five hundred sixty-six thousand, two hundred four".