5251528831 has 4 divisors (see below), whose sum is σ = 5251763664. Its totient is φ = 5251294000.

The previous prime is 5251528813. The next prime is 5251528853. The reversal of 5251528831 is 1388251525.

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 5251528831 - 2¹⁷ = 5251397759 is a prime.

It is a super-2 number, since 2×5251528831² = 55157110125648453122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5251528801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79870 + ... + 129931.

It is an arithmetic number, because the mean of its divisors is an integer number (1312940916).

Almost surely, 2^5251528831 is an apocalyptic number.

5251528831 is a deficient number, since it is larger than the sum of its proper divisors (234833).

5251528831 is a wasteful number, since it uses less digits than its factorization.

5251528831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234832.

The product of its digits is 96000, while the sum is 40.

The square root of 5251528831 is about 72467.4328991996. The cubic root of 5251528831 is about 1738.1820126504.

The spelling of 5251528831 in words is "five billion, two hundred fifty-one million, five hundred twenty-eight thousand, eight hundred thirty-one".