2564362 has 16 divisors (see below), whose sum is σ = 4059072. Its totient is φ = 1212640.

The previous prime is 2564347. The next prime is 2564363. The reversal of 2564362 is 2634652.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 2564362.

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 7 ways as a sum of consecutive naturals, for example, 4662 + ... + 5182.

It is an arithmetic number, because the mean of its divisors is an integer number (253692).

2^2564362 is an apocalyptic number.

2564362 is a deficient number, since it is larger than the sum of its proper divisors (1494710).

2564362 is a wasteful number, since it uses less digits than its factorization.

2564362 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 653.

The product of its digits is 8640, while the sum is 28.

The square root of 2564362 is about 1601.3625448349. The cubic root of 2564362 is about 136.8757286785.

Multiplying 2564362 by its sum of digits (28), we get a triangular number (71802136 = T₁₁₉₈₃).

It can be divided in two parts, 2564 and 362, that added together give a triangular number (2926 = T₇₆).

The spelling of 2564362 in words is "two million, five hundred sixty-four thousand, three hundred sixty-two".