5865631 has 4 divisors (see below), whose sum is σ = 5872264. Its totient is φ = 5859000.

The previous prime is 5865611. The next prime is 5865641. The reversal of 5865631 is 1365685.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 5865631 - 2⁵ = 5865599 is a prime.

It is a super-2 number, since 2×5865631² = 68811254056322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5865611) 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 3 ways as a sum of consecutive naturals, for example, 1740 + ... + 3841.

It is an arithmetic number, because the mean of its divisors is an integer number (1468066).

Almost surely, 2^5865631 is an apocalyptic number.

5865631 is a deficient number, since it is larger than the sum of its proper divisors (6633).

5865631 is a wasteful number, since it uses less digits than its factorization.

5865631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6632.

The product of its digits is 21600, while the sum is 34.

The square root of 5865631 is about 2421.9064804406. The cubic root of 5865631 is about 180.3453349840.

The spelling of 5865631 in words is "five million, eight hundred sixty-five thousand, six hundred thirty-one".