2258717 has 2 divisors, whose sum is σ = 2258718. Its totient is φ = 2258716.

The previous prime is 2258713. The next prime is 2258741. The reversal of 2258717 is 7178522.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2149156 + 109561 = 1466^2 + 331^2 .

It is a cyclic number.

It is not a de Polignac number, because 2258717 - 2² = 2258713 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 (2258713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1129358 + 1129359.

It is an arithmetic number, because the mean of its divisors is an integer number (1129359).

2^2258717 is an apocalyptic number.

It is an amenable number.

2258717 is a deficient number, since it is larger than the sum of its proper divisors (1).

2258717 is an equidigital number, since it uses as much as digits as its factorization.

2258717 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7840, while the sum is 32.

The square root of 2258717 is about 1502.9028578055. The cubic root of 2258717 is about 131.2060738872.

The spelling of 2258717 in words is "two million, two hundred fifty-eight thousand, seven hundred seventeen".