2556130 has 8 divisors (see below), whose sum is σ = 4601052. Its totient is φ = 1022448.

The previous prime is 2556121. The next prime is 2556133. The reversal of 2556130 is 316552.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2047761 + 508369 = 1431^2 + 713^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (2556133) 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, 127797 + ... + 127816.

2^2556130 is an apocalyptic number.

2556130 is a deficient number, since it is larger than the sum of its proper divisors (2044922).

2556130 is a wasteful number, since it uses less digits than its factorization.

2556130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255620.

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 2556130 is about 1598.7901675955. The cubic root of 2556130 is about 136.7291075636.

The spelling of 2556130 in words is "two million, five hundred fifty-six thousand, one hundred thirty".