6113615 has 4 divisors (see below), whose sum is σ = 7336344. Its totient is φ = 4890888.

The previous prime is 6113609. The next prime is 6113623. The reversal of 6113615 is 5163116.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 6113615 - 2¹⁸ = 5851471 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 611357 + ... + 611366.

It is an arithmetic number, because the mean of its divisors is an integer number (1834086).

Almost surely, 2^6113615 is an apocalyptic number.

6113615 is a deficient number, since it is larger than the sum of its proper divisors (1222729).

6113615 is a wasteful number, since it uses less digits than its factorization.

6113615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1222728.

The product of its digits is 540, while the sum is 23.

The square root of 6113615 is about 2472.5725469640. The cubic root of 6113615 is about 182.8518513919.

The spelling of 6113615 in words is "six million, one hundred thirteen thousand, six hundred fifteen".