2556162 has 24 divisors (see below), whose sum is σ = 6329856. Its totient is φ = 730296.

The previous prime is 2556161. The next prime is 2556163. The reversal of 2556162 is 2616552.

It is an interprime number because it is at equal distance from previous prime (2556161) and next prime (2556163).

It is not an unprimeable number, because it can be changed into a prime (2556161) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10018 + ... + 10269.

It is an arithmetic number, because the mean of its divisors is an integer number (263744).

2^2556162 is an apocalyptic number.

2556162 is an abundant number, since it is smaller than the sum of its proper divisors (3773694).

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

2556162 is a wasteful number, since it uses less digits than its factorization.

2556162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20302 (or 20299 counting only the distinct ones).

The product of its digits is 3600, while the sum is 27.

The square root of 2556162 is about 1598.8001751313. The cubic root of 2556162 is about 136.7296781284.

The spelling of 2556162 in words is "two million, five hundred fifty-six thousand, one hundred sixty-two".