5631169 has 2 divisors, whose sum is σ = 5631170. Its totient is φ = 5631168.

The previous prime is 5631121. The next prime is 5631173. The reversal of 5631169 is 9611365.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4464769 + 1166400 = 2113^2 + 1080^2 .

It is a cyclic number.

It is not a de Polignac number, because 5631169 - 2⁹ = 5630657 is a prime.

It is a super-3 number, since 3×5631169³ (a number of 21 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 5631169.

It is not a weakly prime, because it can be changed into another prime (5631179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2815584 + 2815585.

It is an arithmetic number, because the mean of its divisors is an integer number (2815585).

Almost surely, 2^5631169 is an apocalyptic number.

It is an amenable number.

5631169 is a deficient number, since it is larger than the sum of its proper divisors (1).

5631169 is an equidigital number, since it uses as much as digits as its factorization.

5631169 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4860, while the sum is 31.

The square root of 5631169 is about 2373.0084281351. The cubic root of 5631169 is about 177.9096562116.

The spelling of 5631169 in words is "five million, six hundred thirty-one thousand, one hundred sixty-nine".