5256997 has 8 divisors (see below), whose sum is σ = 5515776. Its totient is φ = 5004432.

The previous prime is 5256989. The next prime is 5257003. The reversal of 5256997 is 7996525.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5256997 - 2³ = 5256989 is a prime.

It is a d-powerful number, because it can be written as 5⁸ + 2²² + 5⁸ + 6⁷ + 9³ + 9³ + 7² .

It is a Duffinian number.

5256997 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5256967) 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, 228 + ... + 3250.

It is an arithmetic number, because the mean of its divisors is an integer number (689472).

Almost surely, 2^5256997 is an apocalyptic number.

It is an amenable number.

5256997 is a deficient number, since it is larger than the sum of its proper divisors (258779).

5256997 is a wasteful number, since it uses less digits than its factorization.

5256997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3107.

The product of its digits is 170100, while the sum is 43.

The square root of 5256997 is about 2292.8142096559. The cubic root of 5256997 is about 173.8785098995.

The spelling of 5256997 in words is "five million, two hundred fifty-six thousand, nine hundred ninety-seven".