5644531 has 8 divisors (see below), whose sum is σ = 5882400. Its totient is φ = 5409600.

The previous prime is 5644523. The next prime is 5644547. The reversal of 5644531 is 1354465.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5644531 - 2³ = 5644523 is a prime.

It is a super-2 number, since 2×5644531² = 63721460419922, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5644531.

It is not an unprimeable number, because it can be changed into a prime (5644031) 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 in 7 ways as a sum of consecutive naturals, for example, 3735 + ... + 5023.

It is an arithmetic number, because the mean of its divisors is an integer number (735300).

Almost surely, 2^5644531 is an apocalyptic number.

5644531 is the 1063-rd centered decagonal number.

5644531 is a deficient number, since it is larger than the sum of its proper divisors (237869).

5644531 is a wasteful number, since it uses less digits than its factorization.

5644531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1469.

The product of its digits is 7200, while the sum is 28.

The square root of 5644531 is about 2375.8221734802. The cubic root of 5644531 is about 178.0502635480.

Adding to 5644531 its reverse (1354465), we get a palindrome (6998996).

The spelling of 5644531 in words is "five million, six hundred forty-four thousand, five hundred thirty-one".