5561613 has 12 divisors (see below), whose sum is σ = 8063328. Its totient is φ = 3693960.

The previous prime is 5561599. The next prime is 5561627. The reversal of 5561613 is 3161655.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (5561599) and next prime (5561627).

It is not a de Polignac number, because 5561613 - 2⁴ = 5561597 is a prime.

5561613 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5561693) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1806 + ... + 3792.

It is an arithmetic number, because the mean of its divisors is an integer number (671944).

Almost surely, 2^5561613 is an apocalyptic number.

It is an amenable number.

5561613 is a deficient number, since it is larger than the sum of its proper divisors (2501715).

5561613 is a wasteful number, since it uses less digits than its factorization.

5561613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2304 (or 2301 counting only the distinct ones).

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

The square root of 5561613 is about 2358.3072318932. The cubic root of 5561613 is about 177.1741081020.

The spelling of 5561613 in words is "five million, five hundred sixty-one thousand, six hundred thirteen".