5256621 has 36 divisors (see below), whose sum is σ = 8428992. Its totient is φ = 3153024.

The previous prime is 5256613. The next prime is 5256623. The reversal of 5256621 is 1266525.

It is not a de Polignac number, because 5256621 - 2³ = 5256613 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5256623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 111820 + ... + 111866.

Almost surely, 2^5256621 is an apocalyptic number.

5256621 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

It is an amenable number.

5256621 is a deficient number, since it is larger than the sum of its proper divisors (3172371).

5256621 is a wasteful number, since it uses less digits than its factorization.

5256621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130 (or 110 counting only the distinct ones).

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

The square root of 5256621 is about 2292.7322128849. The cubic root of 5256621 is about 173.8743643212.

The spelling of 5256621 in words is "five million, two hundred fifty-six thousand, six hundred twenty-one".