5663259 has 24 divisors (see below), whose sum is σ = 9412832. Its totient is φ = 3214080.

The previous prime is 5663239. The next prime is 5663263. The reversal of 5663259 is 9523665.

It is not a de Polignac number, because 5663259 - 2⁷ = 5663131 is a prime.

It is a Duffinian number.

5663259 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (5663219) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14997 + ... + 15369.

Almost surely, 2^5663259 is an apocalyptic number.

5663259 is a deficient number, since it is larger than the sum of its proper divisors (3749573).

5663259 is a wasteful number, since it uses less digits than its factorization.

5663259 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 627 (or 624 counting only the distinct ones).

The product of its digits is 48600, while the sum is 36.

The square root of 5663259 is about 2379.7602820452. The cubic root of 5663259 is about 178.2469639318.

Adding to 5663259 its sum of digits (36), we get a triangular number (5663295 = T₃₃₆₅).

The spelling of 5663259 in words is "five million, six hundred sixty-three thousand, two hundred fifty-nine".