2513255321 has 2 divisors, whose sum is σ = 2513255322. Its totient is φ = 2513255320.

The previous prime is 2513255293. The next prime is 2513255323. The reversal of 2513255321 is 1235523152.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1373517721 + 1139737600 = 37061^2 + 33760^2 .

It is a cyclic number.

It is not a de Polignac number, because 2513255321 - 2¹⁰ = 2513254297 is a prime.

Together with 2513255323, 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 (2513255323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1256627660 + 1256627661.

It is an arithmetic number, because the mean of its divisors is an integer number (1256627661).

Almost surely, 2^2513255321 is an apocalyptic number.

It is an amenable number.

2513255321 is a deficient number, since it is larger than the sum of its proper divisors (1).

2513255321 is an equidigital number, since it uses as much as digits as its factorization.

2513255321 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9000, while the sum is 29.

The square root of 2513255321 is about 50132.3779707287. The cubic root of 2513255321 is about 1359.6032797945.

Adding to 2513255321 its reverse (1235523152), we get a palindrome (3748778473).

The spelling of 2513255321 in words is "two billion, five hundred thirteen million, two hundred fifty-five thousand, three hundred twenty-one".