5231541191 has 2 divisors, whose sum is σ = 5231541192. Its totient is φ = 5231541190.

The previous prime is 5231541181. The next prime is 5231541229. The reversal of 5231541191 is 1911451325.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5231541191 - 2⁶ = 5231541127 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5231541181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2615770595 + 2615770596.

It is an arithmetic number, because the mean of its divisors is an integer number (2615770596).

Almost surely, 2^5231541191 is an apocalyptic number.

5231541191 is a deficient number, since it is larger than the sum of its proper divisors (1).

5231541191 is an equidigital number, since it uses as much as digits as its factorization.

5231541191 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5400, while the sum is 32.

The square root of 5231541191 is about 72329.3936861080. The cubic root of 5231541191 is about 1735.9739999743.

The spelling of 5231541191 in words is "five billion, two hundred thirty-one million, five hundred forty-one thousand, one hundred ninety-one".