5165401231 has 2 divisors, whose sum is σ = 5165401232. Its totient is φ = 5165401230.

The previous prime is 5165401229. The next prime is 5165401357. The reversal of 5165401231 is 1321045615.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5165401231 - 2¹ = 5165401229 is a prime.

It is a super-2 number, since 2×5165401231² = 53362739754432630722, which contains 22 as substring.

Together with 5165401229, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 5165401231.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5165401201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2582700615 + 2582700616.

It is an arithmetic number, because the mean of its divisors is an integer number (2582700616).

Almost surely, 2^5165401231 is an apocalyptic number.

5165401231 is a deficient number, since it is larger than the sum of its proper divisors (1).

5165401231 is an equidigital number, since it uses as much as digits as its factorization.

5165401231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 5165401231 is about 71870.7258276971. The cubic root of 5165401231 is about 1728.6272459568.

Adding to 5165401231 its reverse (1321045615), we get a palindrome (6486446846).

The spelling of 5165401231 in words is "five billion, one hundred sixty-five million, four hundred one thousand, two hundred thirty-one".