5631173 has 2 divisors, whose sum is σ = 5631174. Its totient is φ = 5631172.

The previous prime is 5631169. The next prime is 5631179. The reversal of 5631173 is 3711365.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4937284 + 693889 = 2222^2 + 833^2 .

It is a cyclic number.

It is not a de Polignac number, because 5631173 - 2² = 5631169 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5631179) 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 as a sum of consecutive naturals, namely, 2815586 + 2815587.

It is an arithmetic number, because the mean of its divisors is an integer number (2815587).

Almost surely, 2^5631173 is an apocalyptic number.

It is an amenable number.

5631173 is a deficient number, since it is larger than the sum of its proper divisors (1).

5631173 is an equidigital number, since it uses as much as digits as its factorization.

5631173 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1890, while the sum is 26.

The square root of 5631173 is about 2373.0092709469. The cubic root of 5631173 is about 177.9096983366.

The spelling of 5631173 in words is "five million, six hundred thirty-one thousand, one hundred seventy-three".