5207239831 has 4 divisors (see below), whose sum is σ = 5207913792. Its totient is φ = 5206565872.

The previous prime is 5207239777. The next prime is 5207239841. The reversal of 5207239831 is 1389327025.

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 5207239831 - 2⁷ = 5207239703 is a prime.

It is a super-2 number, since 2×5207239831² = 54230693315105817122, 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 (5207239841) 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, 325255 + ... + 340888.

It is an arithmetic number, because the mean of its divisors is an integer number (1301978448).

Almost surely, 2^5207239831 is an apocalyptic number.

5207239831 is a deficient number, since it is larger than the sum of its proper divisors (673961).

5207239831 is an equidigital number, since it uses as much as digits as its factorization.

5207239831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 673960.

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 5207239831 is about 72161.2072446131. The cubic root of 5207239831 is about 1733.2818666384.

The spelling of 5207239831 in words is "five billion, two hundred seven million, two hundred thirty-nine thousand, eight hundred thirty-one".