5649187 has 2 divisors, whose sum is σ = 5649188. Its totient is φ = 5649186.

The previous prime is 5649181. The next prime is 5649221. The reversal of 5649187 is 7819465.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5649187 is a prime.

It is not a weakly prime, because it can be changed into another prime (5649181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2824593 + 2824594.

It is an arithmetic number, because the mean of its divisors is an integer number (2824594).

Almost surely, 2^5649187 is an apocalyptic number.

5649187 is a deficient number, since it is larger than the sum of its proper divisors (1).

5649187 is an equidigital number, since it uses as much as digits as its factorization.

5649187 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 60480, while the sum is 40.

The square root of 5649187 is about 2376.8018428132. The cubic root of 5649187 is about 178.0992061553.

The spelling of 5649187 in words is "five million, six hundred forty-nine thousand, one hundred eighty-seven".