2457317 has 2 divisors, whose sum is σ = 2457318. Its totient is φ = 2457316.

The previous prime is 2457311. The next prime is 2457319. The reversal of 2457317 is 7137542.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1865956 + 591361 = 1366^2 + 769^2 .

It is a cyclic number.

It is not a de Polignac number, because 2457317 - 2²⁰ = 1408741 is a prime.

Together with 2457319, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2457317.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2457311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1228658 + 1228659.

It is an arithmetic number, because the mean of its divisors is an integer number (1228659).

2^2457317 is an apocalyptic number.

It is an amenable number.

2457317 is a deficient number, since it is larger than the sum of its proper divisors (1).

2457317 is an equidigital number, since it uses as much as digits as its factorization.

2457317 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5880, while the sum is 29.

The square root of 2457317 is about 1567.5831716372. The cubic root of 2457317 is about 134.9440463136.

The spelling of 2457317 in words is "two million, four hundred fifty-seven thousand, three hundred seventeen".