5231507771 has 4 divisors (see below), whose sum is σ = 5978866032. Its totient is φ = 4484149512.

The previous prime is 5231507761. The next prime is 5231507779. The reversal of 5231507771 is 1777051325.

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 5231507771 - 2⁶ = 5231507707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5231507779) 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, 373679120 + ... + 373679133.

It is an arithmetic number, because the mean of its divisors is an integer number (1494716508).

Almost surely, 2^5231507771 is an apocalyptic number.

5231507771 is a deficient number, since it is larger than the sum of its proper divisors (747358261).

5231507771 is an equidigital number, since it uses as much as digits as its factorization.

5231507771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 747358260.

The product of its (nonzero) digits is 51450, while the sum is 38.

The square root of 5231507771 is about 72329.1626593313. The cubic root of 5231507771 is about 1735.9703033979.

The spelling of 5231507771 in words is "five billion, two hundred thirty-one million, five hundred seven thousand, seven hundred seventy-one".