2321564351 has 2 divisors, whose sum is σ = 2321564352. Its totient is φ = 2321564350.

The previous prime is 2321564299. The next prime is 2321564359. The reversal of 2321564351 is 1534651232.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2321564351 - 2²⁶ = 2254455487 is a prime.

It is a super-2 number, since 2×2321564351² = 10779322071668102402, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2321564359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1160782175 + 1160782176.

It is an arithmetic number, because the mean of its divisors is an integer number (1160782176).

Almost surely, 2^2321564351 is an apocalyptic number.

2321564351 is a deficient number, since it is larger than the sum of its proper divisors (1).

2321564351 is an equidigital number, since it uses as much as digits as its factorization.

2321564351 is an evil number, because the sum of its binary digits is even.

The product of its digits is 21600, while the sum is 32.

The square root of 2321564351 is about 48182.6146135720. The cubic root of 2321564351 is about 1324.1186688739.

The spelling of 2321564351 in words is "two billion, three hundred twenty-one million, five hundred sixty-four thousand, three hundred fifty-one".