2523564 has 18 divisors (see below), whose sum is σ = 6379100. Its totient is φ = 841176.

The previous prime is 2523557. The next prime is 2523569. The reversal of 2523564 is 4653252.

It is a tau number, because it is divible by the number of its divisors (18).

2523564 is a modest number, since divided by 3564 gives 252 as remainder.

It is not an unprimeable number, because it can be changed into a prime (2523569) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 35014 + ... + 35085.

2^2523564 is an apocalyptic number.

It is an amenable number.

2523564 is an abundant number, since it is smaller than the sum of its proper divisors (3855536).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2523564 is a wasteful number, since it uses less digits than its factorization.

2523564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70109 (or 70104 counting only the distinct ones).

The product of its digits is 7200, while the sum is 27.

The square root of 2523564 is about 1588.5729445008. The cubic root of 2523564 is about 136.1459649678.

The spelling of 2523564 in words is "two million, five hundred twenty-three thousand, five hundred sixty-four".