2631173 has 2 divisors, whose sum is σ = 2631174. Its totient is φ = 2631172.

The previous prime is 2631149. The next prime is 2631179. The reversal of 2631173 is 3711362.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2630884 + 289 = 1622^2 + 17^2 .

It is a cyclic number.

It is not a de Polignac number, because 2631173 - 2⁸ = 2630917 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2631179) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1315586 + 1315587.

It is an arithmetic number, because the mean of its divisors is an integer number (1315587).

2^2631173 is an apocalyptic number.

It is an amenable number.

2631173 is a deficient number, since it is larger than the sum of its proper divisors (1).

2631173 is an equidigital number, since it uses as much as digits as its factorization.

2631173 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 756, while the sum is 23.

The square root of 2631173 is about 1622.0890850998. The cubic root of 2631173 is about 138.0542564784.

The spelling of 2631173 in words is "two million, six hundred thirty-one thousand, one hundred seventy-three".