2564361 has 12 divisors (see below), whose sum is σ = 3718000. Its totient is φ = 1703160.

The previous prime is 2564347. The next prime is 2564363. The reversal of 2564361 is 1634652.

It is not a de Polignac number, because 2564361 - 2⁵ = 2564329 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2564363) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4206 + ... + 4776.

2^2564361 is an apocalyptic number.

It is an amenable number.

2564361 is a deficient number, since it is larger than the sum of its proper divisors (1153639).

2564361 is a wasteful number, since it uses less digits than its factorization.

2564361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1076 (or 1073 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 2564361 is about 1601.3622326007. The cubic root of 2564361 is about 136.8757108864.

The spelling of 2564361 in words is "two million, five hundred sixty-four thousand, three hundred sixty-one".