15265852313 has 2 divisors, whose sum is σ = 15265852314. Its totient is φ = 15265852312.

The previous prime is 15265852229. The next prime is 15265852331. The reversal of 15265852313 is 31325856251.

It is a happy number.

Together with next prime (15265852331) 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., 9841235209 + 5424617104 = 99203^2 + 73652^2 .

It is an emirp because it is prime and its reverse (31325856251) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 15265852313 - 2¹² = 15265848217 is a prime.

It is not a weakly prime, because it can be changed into another prime (15265852363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7632926156 + 7632926157.

It is an arithmetic number, because the mean of its divisors is an integer number (7632926157).

Almost surely, 2^15265852313 is an apocalyptic number.

It is an amenable number.

15265852313 is a deficient number, since it is larger than the sum of its proper divisors (1).

15265852313 is an equidigital number, since it uses as much as digits as its factorization.

15265852313 is an evil number, because the sum of its binary digits is even.

The product of its digits is 216000, while the sum is 41.

The spelling of 15265852313 in words is "fifteen billion, two hundred sixty-five million, eight hundred fifty-two thousand, three hundred thirteen".