2515564 has 12 divisors (see below), whose sum is σ = 4455864. Its totient is φ = 1242464.

The previous prime is 2515561. The next prime is 2515571. The reversal of 2515564 is 4655152.

It is not an unprimeable number, because it can be changed into a prime (2515561) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3457 + ... + 4120.

It is an arithmetic number, because the mean of its divisors is an integer number (371322).

2^2515564 is an apocalyptic number.

It is an amenable number.

2515564 is a deficient number, since it is larger than the sum of its proper divisors (1940300).

2515564 is a wasteful number, since it uses less digits than its factorization.

2515564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7664 (or 7662 counting only the distinct ones).

The product of its digits is 6000, while the sum is 28.

The square root of 2515564 is about 1586.0529625457. The cubic root of 2515564 is about 136.0019463389.

The spelling of 2515564 in words is "two million, five hundred fifteen thousand, five hundred sixty-four".