3115536397 has 2 divisors, whose sum is σ = 3115536398. Its totient is φ = 3115536396.

The previous prime is 3115536383. The next prime is 3115536407. The reversal of 3115536397 is 7936355113.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1833466761 + 1282069636 = 42819^2 + 35806^2 .

It is an emirp because it is prime and its reverse (7936355113) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3115536397 - 2⁷ = 3115536269 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3115536337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1557768198 + 1557768199.

It is an arithmetic number, because the mean of its divisors is an integer number (1557768199).

Almost surely, 2^3115536397 is an apocalyptic number.

It is an amenable number.

3115536397 is a deficient number, since it is larger than the sum of its proper divisors (1).

3115536397 is an equidigital number, since it uses as much as digits as its factorization.

3115536397 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 255150, while the sum is 43.

The square root of 3115536397 is about 55816.9902180331. The cubic root of 3115536397 is about 1460.5315505252.

The spelling of 3115536397 in words is "three billion, one hundred fifteen million, five hundred thirty-six thousand, three hundred ninety-seven".