2500316321 has 2 divisors, whose sum is σ = 2500316322. Its totient is φ = 2500316320.

The previous prime is 2500316279. The next prime is 2500316323. The reversal of 2500316321 is 1236130052.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2261953600 + 238362721 = 47560^2 + 15439^2 .

It is a cyclic number.

It is not a de Polignac number, because 2500316321 - 2¹⁸ = 2500054177 is a prime.

Together with 2500316323, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2500316323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1250158160 + 1250158161.

It is an arithmetic number, because the mean of its divisors is an integer number (1250158161).

Almost surely, 2^2500316321 is an apocalyptic number.

It is an amenable number.

2500316321 is a deficient number, since it is larger than the sum of its proper divisors (1).

2500316321 is an equidigital number, since it uses as much as digits as its factorization.

2500316321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 2500316321 is about 50003.1631099474. The cubic root of 2500316321 is about 1357.2660477030.

Adding to 2500316321 its reverse (1236130052), we get a palindrome (3736446373).

The spelling of 2500316321 in words is "two billion, five hundred million, three hundred sixteen thousand, three hundred twenty-one".