8015225513 has 2 divisors, whose sum is σ = 8015225514. Its totient is φ = 8015225512.

The previous prime is 8015225509. The next prime is 8015225521. The reversal of 8015225513 is 3155225108.

8015225513 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7646278249 + 368947264 = 87443^2 + 19208^2 .

It is a cyclic number.

It is not a de Polignac number, because 8015225513 - 2² = 8015225509 is a prime.

It is a super-2 number, since 2×8015225513² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 8015225513.

It is not a weakly prime, because it can be changed into another prime (8015225503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4007612756 + 4007612757.

It is an arithmetic number, because the mean of its divisors is an integer number (4007612757).

Almost surely, 2^8015225513 is an apocalyptic number.

It is an amenable number.

8015225513 is a deficient number, since it is larger than the sum of its proper divisors (1).

8015225513 is an equidigital number, since it uses as much as digits as its factorization.

8015225513 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12000, while the sum is 32.

The square root of 8015225513 is about 89527.7918470013. The cubic root of 8015225513 is about 2001.2679886825.

The spelling of 8015225513 in words is "eight billion, fifteen million, two hundred twenty-five thousand, five hundred thirteen".