2531717 has 2 divisors, whose sum is σ = 2531718. Its totient is φ = 2531716.

The previous prime is 2531701. The next prime is 2531741. The reversal of 2531717 is 7171352.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1437601 + 1094116 = 1199^2 + 1046^2 .

It is a cyclic number.

It is not a de Polignac number, because 2531717 - 2⁴ = 2531701 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2531747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1265858 + 1265859.

It is an arithmetic number, because the mean of its divisors is an integer number (1265859).

2^2531717 is an apocalyptic number.

It is an amenable number.

2531717 is a deficient number, since it is larger than the sum of its proper divisors (1).

2531717 is an equidigital number, since it uses as much as digits as its factorization.

2531717 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1470, while the sum is 26.

The square root of 2531717 is about 1591.1370148419. The cubic root of 2531717 is about 136.2924251354.

The spelling of 2531717 in words is "two million, five hundred thirty-one thousand, seven hundred seventeen".