5256806401 has 12 divisors (see below), whose sum is σ = 6603592576. Its totient is φ = 4096212120.

The previous prime is 5256806371. The next prime is 5256806441. The reversal of 5256806401 is 1046086525.

It is not a de Polignac number, because 5256806401 - 2⁷ = 5256806273 is a prime.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (5256806441) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3102345 + ... + 3104038.

Almost surely, 2^5256806401 is an apocalyptic number.

It is an amenable number.

5256806401 is a deficient number, since it is larger than the sum of its proper divisors (1346786175).

5256806401 is a wasteful number, since it uses less digits than its factorization.

5256806401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6206412 (or 6206401 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 37.

The square root of 5256806401 is about 72503.8371467331. The cubic root of 5256806401 is about 1738.7640847986.

The spelling of 5256806401 in words is "five billion, two hundred fifty-six million, eight hundred six thousand, four hundred one".