2564807 has 12 divisors (see below), whose sum is σ = 3160080. Its totient is φ = 2068416.

The previous prime is 2564759. The next prime is 2564813. The reversal of 2564807 is 7084652.

2564807 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2564807 - 2²⁰ = 1516231 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2564857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 707 + ... + 2372.

It is an arithmetic number, because the mean of its divisors is an integer number (263340).

2^2564807 is an apocalyptic number.

2564807 is a deficient number, since it is larger than the sum of its proper divisors (595273).

2564807 is a wasteful number, since it uses less digits than its factorization.

2564807 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3110 (or 3103 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 2564807 is about 1601.5014829840. The cubic root of 2564807 is about 136.8836456803.

The spelling of 2564807 in words is "two million, five hundred sixty-four thousand, eight hundred seven".