2556532 has 24 divisors (see below), whose sum is σ = 4939200. Its totient is φ = 1148160.

The previous prime is 2556523. The next prime is 2556559. The reversal of 2556532 is 2356552.

It is a self number, because there is not a number n which added to its sum of digits gives 2556532.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3969 + ... + 4567.

It is an arithmetic number, because the mean of its divisors is an integer number (205800).

2^2556532 is an apocalyptic number.

2556532 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2556532 is a deficient number, since it is larger than the sum of its proper divisors (2382668).

2556532 is a wasteful number, since it uses less digits than its factorization.

2556532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 711 (or 709 counting only the distinct ones).

The product of its digits is 9000, while the sum is 28.

The square root of 2556532 is about 1598.9158827155. The cubic root of 2556532 is about 136.7362749377.

The spelling of 2556532 in words is "two million, five hundred fifty-six thousand, five hundred thirty-two".