5231972797 has 4 divisors (see below), whose sum is σ = 5251422780. Its totient is φ = 5212522816.

The previous prime is 5231972789. The next prime is 5231972831. The reversal of 5231972797 is 7972791325.

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

It can be written as a sum of positive squares in 2 ways, for example, as 783216196 + 4448756601 = 27986^2 + 66699^2 .

It is a cyclic number.

It is not a de Polignac number, because 5231972797 - 2³ = 5231972789 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5231972197) 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, 9724588 + ... + 9725125.

It is an arithmetic number, because the mean of its divisors is an integer number (1312855695).

Almost surely, 2^5231972797 is an apocalyptic number.

It is an amenable number.

5231972797 is a deficient number, since it is larger than the sum of its proper divisors (19449983).

5231972797 is a wasteful number, since it uses less digits than its factorization.

5231972797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19449982.

The product of its digits is 1666980, while the sum is 52.

The square root of 5231972797 is about 72332.3772386889. The cubic root of 5231972797 is about 1736.0217383725.

The spelling of 5231972797 in words is "five billion, two hundred thirty-one million, nine hundred seventy-two thousand, seven hundred ninety-seven".