5641631 has 8 divisors (see below), whose sum is σ = 5868720. Its totient is φ = 5416768.

The previous prime is 5641607. The next prime is 5641633. The reversal of 5641631 is 1361465.

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 5641631 - 2¹⁴ = 5625247 is a prime.

It is a super-2 number, since 2×5641631² = 63656000680322, 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 5641631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5641633) 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 7 ways as a sum of consecutive naturals, for example, 6155 + ... + 7011.

It is an arithmetic number, because the mean of its divisors is an integer number (733590).

Almost surely, 2^5641631 is an apocalyptic number.

5641631 is a deficient number, since it is larger than the sum of its proper divisors (227089).

5641631 is a wasteful number, since it uses less digits than its factorization.

5641631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1113.

The product of its digits is 2160, while the sum is 26.

The square root of 5641631 is about 2375.2117800314. The cubic root of 5641631 is about 178.0197659319.

The spelling of 5641631 in words is "five million, six hundred forty-one thousand, six hundred thirty-one".