5165823431 has 2 divisors, whose sum is σ = 5165823432. Its totient is φ = 5165823430.

The previous prime is 5165823427. The next prime is 5165823457. The reversal of 5165823431 is 1343285615.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5165823431 - 2² = 5165823427 is a prime.

It is a super-2 number, since 2×5165823431² = 53371463440537223522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5165823631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2582911715 + 2582911716.

It is an arithmetic number, because the mean of its divisors is an integer number (2582911716).

Almost surely, 2^5165823431 is an apocalyptic number.

5165823431 is a deficient number, since it is larger than the sum of its proper divisors (1).

5165823431 is an equidigital number, since it uses as much as digits as its factorization.

5165823431 is an evil number, because the sum of its binary digits is even.

The product of its digits is 86400, while the sum is 38.

The square root of 5165823431 is about 71873.6629858253. The cubic root of 5165823431 is about 1728.6743417845.

The spelling of 5165823431 in words is "five billion, one hundred sixty-five million, eight hundred twenty-three thousand, four hundred thirty-one".