3115613 has 4 divisors (see below), whose sum is σ = 3168480. Its totient is φ = 3062748.

The previous prime is 3115597. The next prime is 3115621. The reversal of 3115613 is 3165113.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3165113 = 7 ⋅452159.

It is a cyclic number.

It is not a de Polignac number, because 3115613 - 2⁴ = 3115597 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3115633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26345 + ... + 26462.

It is an arithmetic number, because the mean of its divisors is an integer number (792120).

Almost surely, 2^3115613 is an apocalyptic number.

It is an amenable number.

3115613 is a deficient number, since it is larger than the sum of its proper divisors (52867).

3115613 is an equidigital number, since it uses as much as digits as its factorization.

3115613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52866.

The product of its digits is 270, while the sum is 20.

The square root of 3115613 is about 1765.1099115919. The cubic root of 3115613 is about 146.0543520661.

The spelling of 3115613 in words is "three million, one hundred fifteen thousand, six hundred thirteen".