5631263 has 4 divisors (see below), whose sum is σ = 6143208. Its totient is φ = 5119320.

The previous prime is 5631259. The next prime is 5631271. The reversal of 5631263 is 3621365.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5631263 - 2² = 5631259 is a prime.

It is a super-2 number, since 2×5631263² = 63422245950338, 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 (5631203) 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, 255956 + ... + 255977.

It is an arithmetic number, because the mean of its divisors is an integer number (1535802).

Almost surely, 2^5631263 is an apocalyptic number.

5631263 is a deficient number, since it is larger than the sum of its proper divisors (511945).

5631263 is a wasteful number, since it uses less digits than its factorization.

5631263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 511944.

The product of its digits is 3240, while the sum is 26.

The square root of 5631263 is about 2373.0282341346. The cubic root of 5631263 is about 177.9106461431.

The spelling of 5631263 in words is "five million, six hundred thirty-one thousand, two hundred sixty-three".