2316521 has 2 divisors, whose sum is σ = 2316522. Its totient is φ = 2316520.

The previous prime is 2316511. The next prime is 2316529. The reversal of 2316521 is 1256132.

2316521 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1243225 + 1073296 = 1115^2 + 1036^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2316521 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2316493 and 2316502.

It is not a weakly prime, because it can be changed into another prime (2316529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1158260 + 1158261.

It is an arithmetic number, because the mean of its divisors is an integer number (1158261).

2^2316521 is an apocalyptic number.

It is an amenable number.

2316521 is a deficient number, since it is larger than the sum of its proper divisors (1).

2316521 is an equidigital number, since it uses as much as digits as its factorization.

2316521 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 360, while the sum is 20.

The square root of 2316521 is about 1522.0121550106. The cubic root of 2316521 is about 132.3159138174.

The spelling of 2316521 in words is "two million, three hundred sixteen thousand, five hundred twenty-one".