3109613 has 4 divisors (see below), whose sum is σ = 3348828. Its totient is φ = 2870400.

The previous prime is 3109607. The next prime is 3109619. The reversal of 3109613 is 3169013.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (3109607) and next prime (3109619).

It can be written as a sum of positive squares in 2 ways, for example, as 413449 + 2696164 = 643^2 + 1642^2 .

It is not a de Polignac number, because 3109613 - 2⁶ = 3109549 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3109619) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 119588 + ... + 119613.

It is an arithmetic number, because the mean of its divisors is an integer number (837207).

Almost surely, 2^3109613 is an apocalyptic number.

It is an amenable number.

3109613 is a deficient number, since it is larger than the sum of its proper divisors (239215).

3109613 is a wasteful number, since it uses less digits than its factorization.

3109613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239214.

The product of its (nonzero) digits is 486, while the sum is 23.

The square root of 3109613 is about 1763.4094816576. The cubic root of 3109613 is about 145.9605354021.

The spelling of 3109613 in words is "three million, one hundred nine thousand, six hundred thirteen".