5251556 has 6 divisors (see below), whose sum is σ = 9190230. Its totient is φ = 2625776.

The previous prime is 5251549. The next prime is 5251573. The reversal of 5251556 is 6551525.

It can be written as a sum of positive squares in only one way, i.e., 3385600 + 1865956 = 1840^2 + 1366^2 .

It is a super-2 number, since 2×5251556² = 55157680842272, which contains 22 as substring.

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 656441 + ... + 656448.

It is an arithmetic number, because the mean of its divisors is an integer number (1531705).

Almost surely, 2^5251556 is an apocalyptic number.

It is an amenable number.

5251556 is a deficient number, since it is larger than the sum of its proper divisors (3938674).

5251556 is a wasteful number, since it uses less digits than its factorization.

5251556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1312893 (or 1312891 counting only the distinct ones).

The product of its digits is 7500, while the sum is 29.

The square root of 5251556 is about 2291.6273693600. The cubic root of 5251556 is about 173.8185010164.

The spelling of 5251556 in words is "five million, two hundred fifty-one thousand, five hundred fifty-six".