5256001831 has 4 divisors (see below), whose sum is σ = 5256160200. Its totient is φ = 5255843464.

The previous prime is 5256001769. The next prime is 5256001841. The reversal of 5256001831 is 1381006525.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5256001831 - 2¹¹ = 5255999783 is a prime.

It is a super-3 number, since 3×5256001831³ (a number of 30 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5256001793 and 5256001802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5256001841) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8176 + ... + 102853.

It is an arithmetic number, because the mean of its divisors is an integer number (1314040050).

Almost surely, 2^5256001831 is an apocalyptic number.

5256001831 is a deficient number, since it is larger than the sum of its proper divisors (158369).

5256001831 is a wasteful number, since it uses less digits than its factorization.

5256001831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158368.

The product of its (nonzero) digits is 7200, while the sum is 31.

The square root of 5256001831 is about 72498.2884694528. The cubic root of 5256001831 is about 1738.6753725850.

The spelling of 5256001831 in words is "five billion, two hundred fifty-six million, one thousand, eight hundred thirty-one".