5641659 has 24 divisors (see below), whose sum is σ = 8557952. Its totient is φ = 3576960.

The previous prime is 5641633. The next prime is 5641661. The reversal of 5641659 is 9561465.

5641659 is a `hidden beast` number, since 5 + 641 + 6 + 5 + 9 = 666.

It is not a de Polignac number, because 5641659 - 2¹¹ = 5639611 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

5641659 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (5641679) 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 23 ways as a sum of consecutive naturals, for example, 20229 + ... + 20505.

Almost surely, 2^5641659 is an apocalyptic number.

5641659 is a deficient number, since it is larger than the sum of its proper divisors (2916293).

5641659 is a wasteful number, since it uses less digits than its factorization.

5641659 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 387 (or 384 counting only the distinct ones).

The product of its digits is 32400, while the sum is 36.

The square root of 5641659 is about 2375.2176742354. The cubic root of 5641659 is about 178.0200604416.

The spelling of 5641659 in words is "five million, six hundred forty-one thousand, six hundred fifty-nine".