5638569 has 4 divisors (see below), whose sum is σ = 7518096. Its totient is φ = 3759044.

The previous prime is 5638537. The next prime is 5638601. The reversal of 5638569 is 9658365.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (5638537) and next prime (5638601).

It is a cyclic number.

It is not a de Polignac number, because 5638569 - 2⁵ = 5638537 is a prime.

It is a super-2 number, since 2×5638569² = 63586920735522, which contains 22 as substring.

It is a D-number.

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 5638569.

It is not an unprimeable number, because it can be changed into a prime (5638769) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 939759 + ... + 939764.

It is an arithmetic number, because the mean of its divisors is an integer number (1879524).

Almost surely, 2^5638569 is an apocalyptic number.

It is an amenable number.

5638569 is a deficient number, since it is larger than the sum of its proper divisors (1879527).

5638569 is a wasteful number, since it uses less digits than its factorization.

5638569 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1879526.

The product of its digits is 194400, while the sum is 42.

The square root of 5638569 is about 2374.5671184450. The cubic root of 5638569 is about 177.9875533106.

The spelling of 5638569 in words is "five million, six hundred thirty-eight thousand, five hundred sixty-nine".