5256657 has 40 divisors (see below), whose sum is σ = 9168896. Its totient is φ = 2939328.

The previous prime is 5256653. The next prime is 5256661. The reversal of 5256657 is 7566525.

It is an interprime number because it is at equal distance from previous prime (5256653) and next prime (5256661).

It is not a de Polignac number, because 5256657 - 2² = 5256653 is a prime.

It is a Duffinian number.

Its product of digits (63000) is a multiple of the sum of its prime divisors (210).

It is not an unprimeable number, because it can be changed into a prime (5256653) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 41328 + ... + 41454.

Almost surely, 2^5256657 is an apocalyptic number.

It is an amenable number.

5256657 is a deficient number, since it is larger than the sum of its proper divisors (3912239).

5256657 is a wasteful number, since it uses less digits than its factorization.

5256657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219 (or 210 counting only the distinct ones).

The product of its digits is 63000, while the sum is 36.

The square root of 5256657 is about 2292.7400637665. The cubic root of 5256657 is about 173.8747612468.

The spelling of 5256657 in words is "five million, two hundred fifty-six thousand, six hundred fifty-seven".