5613889 has 2 divisors, whose sum is σ = 5613890. Its totient is φ = 5613888.

The previous prime is 5613887. The next prime is 5613901. The reversal of 5613889 is 9883165.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4579600 + 1034289 = 2140^2 + 1017^2 .

It is a cyclic number.

It is not a de Polignac number, because 5613889 - 2¹ = 5613887 is a prime.

Together with 5613887, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (5613887) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2806944 + 2806945.

It is an arithmetic number, because the mean of its divisors is an integer number (2806945).

Almost surely, 2^5613889 is an apocalyptic number.

It is an amenable number.

5613889 is a deficient number, since it is larger than the sum of its proper divisors (1).

5613889 is an equidigital number, since it uses as much as digits as its factorization.

5613889 is an evil number, because the sum of its binary digits is even.

The product of its digits is 51840, while the sum is 40.

The square root of 5613889 is about 2369.3646827789. The cubic root of 5613889 is about 177.7274898418.

The spelling of 5613889 in words is "five million, six hundred thirteen thousand, eight hundred eighty-nine".