613440115 has 4 divisors (see below), whose sum is σ = 736128144. Its totient is φ = 490752088.

The previous prime is 613440109. The next prime is 613440151. The reversal of 613440115 is 511044316.

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 613440115 - 2⁵ = 613440083 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 613440115.

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, 61344007 + ... + 61344016.

It is an arithmetic number, because the mean of its divisors is an integer number (184032036).

Almost surely, 2^613440115 is an apocalyptic number.

613440115 is a deficient number, since it is larger than the sum of its proper divisors (122688029).

613440115 is a wasteful number, since it uses less digits than its factorization.

613440115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122688028.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 613440115 is about 24767.7232502303. The cubic root of 613440115 is about 849.6839032262.

The spelling of 613440115 in words is "six hundred thirteen million, four hundred forty thousand, one hundred fifteen".