2556030 has 16 divisors (see below), whose sum is σ = 6134544. Its totient is φ = 681600.

The previous prime is 2556023. The next prime is 2556041. The reversal of 2556030 is 306552.

It is a junction number, because it is equal to n+sod(n) for n = 2555988 and 2556006.

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, 42571 + ... + 42630.

It is an arithmetic number, because the mean of its divisors is an integer number (383409).

2^2556030 is an apocalyptic number.

2556030 is an abundant number, since it is smaller than the sum of its proper divisors (3578514).

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

2556030 is a wasteful number, since it uses less digits than its factorization.

2556030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85211.

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 2556030 is about 1598.7588936422. The cubic root of 2556030 is about 136.7273245180.

The spelling of 2556030 in words is "two million, five hundred fifty-six thousand, thirty".