5617881 has 6 divisors (see below), whose sum is σ = 8114730. Its totient is φ = 3745248.

The previous prime is 5617879. The next prime is 5617889. The reversal of 5617881 is 1887165.

It can be written as a sum of positive squares in only one way, i.e., 2944656 + 2673225 = 1716^2 + 1635^2 .

It is not a de Polignac number, because 5617881 - 2¹ = 5617879 is a prime.

It is a super-2 number, since 2×5617881² = 63121173860322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5617889) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 312096 + ... + 312113.

It is an arithmetic number, because the mean of its divisors is an integer number (1352455).

Almost surely, 2^5617881 is an apocalyptic number.

It is an amenable number.

5617881 is a deficient number, since it is larger than the sum of its proper divisors (2496849).

5617881 is a wasteful number, since it uses less digits than its factorization.

5617881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 624215 (or 624212 counting only the distinct ones).

The product of its digits is 13440, while the sum is 36.

The square root of 5617881 is about 2370.2069529895. The cubic root of 5617881 is about 177.7696068148.

The spelling of 5617881 in words is "five million, six hundred seventeen thousand, eight hundred eighty-one".