5256820 has 24 divisors (see below), whose sum is σ = 11206944. Its totient is φ = 2070816.

The previous prime is 5256817. The next prime is 5256821. The reversal of 5256820 is 286525.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5256821) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 622 + ... + 3301.

It is an arithmetic number, because the mean of its divisors is an integer number (466956).

Almost surely, 2^5256820 is an apocalyptic number.

It is an amenable number.

5256820 is an abundant number, since it is smaller than the sum of its proper divisors (5950124).

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

5256820 is a wasteful number, since it uses less digits than its factorization.

5256820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3999 (or 3997 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 5256820 is about 2292.7756104774. The cubic root of 5256820 is about 173.8765584152.

The spelling of 5256820 in words is "five million, two hundred fifty-six thousand, eight hundred twenty".