15251253313 has 2 divisors, whose sum is σ = 15251253314. Its totient is φ = 15251253312.

The previous prime is 15251253293. The next prime is 15251253331. The reversal of 15251253313 is 31335215251.

Together with next prime (15251253331) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15249039169 + 2214144 = 123487^2 + 1488^2 .

It is a cyclic number.

It is not a de Polignac number, because 15251253313 - 2³³ = 6661318721 is a prime.

It is not a weakly prime, because it can be changed into another prime (15251253383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7625626656 + 7625626657.

It is an arithmetic number, because the mean of its divisors is an integer number (7625626657).

Almost surely, 2^15251253313 is an apocalyptic number.

It is an amenable number.

15251253313 is a deficient number, since it is larger than the sum of its proper divisors (1).

15251253313 is an equidigital number, since it uses as much as digits as its factorization.

15251253313 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13500, while the sum is 31.

Adding to 15251253313 its reverse (31335215251), we get a palindrome (46586468564).

The spelling of 15251253313 in words is "fifteen billion, two hundred fifty-one million, two hundred fifty-three thousand, three hundred thirteen".