3115597 has 2 divisors, whose sum is σ = 3115598. Its totient is φ = 3115596.

The previous prime is 3115591. The next prime is 3115621. The reversal of 3115597 is 7955113.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3048516 + 67081 = 1746^2 + 259^2 .

It is an emirp because it is prime and its reverse (7955113) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3115597 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3115591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1557798 + 1557799.

It is an arithmetic number, because the mean of its divisors is an integer number (1557799).

Almost surely, 2^3115597 is an apocalyptic number.

It is an amenable number.

3115597 is a deficient number, since it is larger than the sum of its proper divisors (1).

3115597 is an equidigital number, since it uses as much as digits as its factorization.

3115597 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4725, while the sum is 31.

The square root of 3115597 is about 1765.1053792904. The cubic root of 3115597 is about 146.0541020486.

It can be divided in two parts, 3 and 115597, that added together give a square (115600 = 340²).

The spelling of 3115597 in words is "three million, one hundred fifteen thousand, five hundred ninety-seven".