2321600251 has 2 divisors, whose sum is σ = 2321600252. Its totient is φ = 2321600250.

The previous prime is 2321600207. The next prime is 2321600269. The reversal of 2321600251 is 1520061232.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2321600251 - 2⁹ = 2321599739 is a prime.

It is not a weakly prime, because it can be changed into another prime (2321600201) 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, 1160800125 + 1160800126.

It is an arithmetic number, because the mean of its divisors is an integer number (1160800126).

Almost surely, 2^2321600251 is an apocalyptic number.

2321600251 is a deficient number, since it is larger than the sum of its proper divisors (1).

2321600251 is an equidigital number, since it uses as much as digits as its factorization.

2321600251 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 2321600251 is about 48182.9871531436. The cubic root of 2321600251 is about 1324.1254941014.

Adding to 2321600251 its reverse (1520061232), we get a palindrome (3841661483).

The spelling of 2321600251 in words is "two billion, three hundred twenty-one million, six hundred thousand, two hundred fifty-one".