5256248165 has 32 divisors (see below), whose sum is σ = 7293162240. Its totient is φ = 3562228224.

The previous prime is 5256248143. The next prime is 5256248177. The reversal of 5256248165 is 5618426525.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 5256248165 - 2¹⁰ = 5256247141 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1131227 + ... + 1135863.

It is an arithmetic number, because the mean of its divisors is an integer number (227911320).

Almost surely, 2^5256248165 is an apocalyptic number.

It is an amenable number.

5256248165 is a deficient number, since it is larger than the sum of its proper divisors (2036914075).

5256248165 is a wasteful number, since it uses less digits than its factorization.

5256248165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5021.

The product of its digits is 576000, while the sum is 44.

The square root of 5256248165 is about 72499.9873448265. The cubic root of 5256248165 is about 1738.7025344330.

The spelling of 5256248165 in words is "five billion, two hundred fifty-six million, two hundred forty-eight thousand, one hundred sixty-five".