2316521239 has 2 divisors, whose sum is σ = 2316521240. Its totient is φ = 2316521238.

The previous prime is 2316521237. The next prime is 2316521243. The reversal of 2316521239 is 9321256132.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2316521239 - 2¹ = 2316521237 is a prime.

Together with 2316521237, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2316521231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1158260619 + 1158260620.

It is an arithmetic number, because the mean of its divisors is an integer number (1158260620).

Almost surely, 2^2316521239 is an apocalyptic number.

2316521239 is a deficient number, since it is larger than the sum of its proper divisors (1).

2316521239 is an equidigital number, since it uses as much as digits as its factorization.

2316521239 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 19440, while the sum is 34.

The square root of 2316521239 is about 48130.2528457934. The cubic root of 2316521239 is about 1323.1591836780.

The spelling of 2316521239 in words is "two billion, three hundred sixteen million, five hundred twenty-one thousand, two hundred thirty-nine".