5615613 has 6 divisors (see below), whose sum is σ = 8111454. Its totient is φ = 3743736.

The previous prime is 5615609. The next prime is 5615629. The reversal of 5615613 is 3165165.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 2883204 + 2732409 = 1698^2 + 1653^2 .

It is not a de Polignac number, because 5615613 - 2² = 5615609 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5615653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 311970 + ... + 311987.

It is an arithmetic number, because the mean of its divisors is an integer number (1351909).

Almost surely, 2^5615613 is an apocalyptic number.

It is an amenable number.

5615613 is a deficient number, since it is larger than the sum of its proper divisors (2495841).

5615613 is a wasteful number, since it uses less digits than its factorization.

5615613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 623963 (or 623960 counting only the distinct ones).

The product of its digits is 2700, while the sum is 27.

The square root of 5615613 is about 2369.7284654576. The cubic root of 5615613 is about 177.7456810834.

It can be divided in two parts, 56156 and 13, that added together give a square (56169 = 237²).

The spelling of 5615613 in words is "five million, six hundred fifteen thousand, six hundred thirteen".