2556052 has 12 divisors (see below), whose sum is σ = 4736340.
Its totient is φ = 1202816.
The previous prime is 2556041. The next prime is 2556061. The reversal of 2556052 is 2506552.
It can be written as a sum of positive squares in 2 ways, for example, as 1860496 + 695556 = 1364^2 + 834^2
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18727 + ... + 18862.
It is an arithmetic number, because the mean of its divisors is an integer number (394695).
22556052 is an apocalyptic number.
It is an amenable number.
2556052 is a deficient number, since it is larger than the sum of its proper divisors (2180288).
2556052 is a wasteful number, since it uses less digits than its factorization.
2556052 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 37610 (or 37608 counting only the distinct ones).
The product of its (nonzero) digits is 3000, while the sum is 25.
The square root of 2556052 is about 1598.7657739644.
The cubic root of 2556052 is about 136.7277167920.
The spelling of 2556052 in words is "two million, five hundred fifty-six thousand, fifty-two".