5601631 has 6 divisors (see below), whose sum is σ = 6516240. Its totient is φ = 4801356.

The previous prime is 5601613. The next prime is 5601641. The reversal of 5601631 is 1361065.

It is not a de Polignac number, because 5601631 - 2⁷ = 5601503 is a prime.

It is a super-2 number, since 2×5601631² = 62756539720322, 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 (5601641) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 57111 + ... + 57208.

It is an arithmetic number, because the mean of its divisors is an integer number (1086040).

Almost surely, 2^5601631 is an apocalyptic number.

5601631 is a deficient number, since it is larger than the sum of its proper divisors (914609).

5601631 is a wasteful number, since it uses less digits than its factorization.

5601631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114333 (or 114326 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 5601631 is about 2366.7764997988. The cubic root of 5601631 is about 177.5980388111.

Adding to 5601631 its reverse (1361065), we get a palindrome (6962696).

The spelling of 5601631 in words is "five million, six hundred one thousand, six hundred thirty-one".