2564367 has 16 divisors (see below), whose sum is σ = 3763200. Its totient is φ = 1543392.

The previous prime is 2564363. The next prime is 2564369. The reversal of 2564367 is 7634652.

It is not a de Polignac number, because 2564367 - 2² = 2564363 is a prime.

It is a super-2 number, since 2×2564367² = 13151956221378, which contains 22 as substring.

It is a d-powerful number, because it can be written as 2²¹ + 5⁵ + 6³ + 4⁹ + 3¹¹ + 6⁵ + 7⁵ .

It is a congruent 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 15 ways as a sum of consecutive naturals, for example, 1134 + ... + 2532.

It is an arithmetic number, because the mean of its divisors is an integer number (235200).

2^2564367 is an apocalyptic number.

2564367 is a deficient number, since it is larger than the sum of its proper divisors (1198833).

2564367 is a wasteful number, since it uses less digits than its factorization.

2564367 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1462.

The product of its digits is 30240, while the sum is 33.

The square root of 2564367 is about 1601.3641060046. The cubic root of 2564367 is about 136.8758176386.

The spelling of 2564367 in words is "two million, five hundred sixty-four thousand, three hundred sixty-seven".