2530556 has 18 divisors (see below), whose sum is σ = 5151888. Its totient is φ = 1084440.

The previous prime is 2530547. The next prime is 2530571. The reversal of 2530556 is 6550352.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6260 + ... + 6651.

It is an arithmetic number, because the mean of its divisors is an integer number (286216).

2^2530556 is an apocalyptic number.

It is an amenable number.

2530556 is an abundant number, since it is smaller than the sum of its proper divisors (2621332).

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

2530556 is a wasteful number, since it uses less digits than its factorization.

2530556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12929 (or 12920 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 26.

The square root of 2530556 is about 1590.7721395599. The cubic root of 2530556 is about 136.2715881961.

The spelling of 2530556 in words is "two million, five hundred thirty thousand, five hundred fifty-six".