2507317 has 2 divisors, whose sum is σ = 2507318. Its totient is φ = 2507316.

The previous prime is 2507303. The next prime is 2507339. The reversal of 2507317 is 7137052.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1535121 + 972196 = 1239^2 + 986^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2507317 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2507291 and 2507300.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2507387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1253658 + 1253659.

It is an arithmetic number, because the mean of its divisors is an integer number (1253659).

2^2507317 is an apocalyptic number.

It is an amenable number.

2507317 is a deficient number, since it is larger than the sum of its proper divisors (1).

2507317 is an equidigital number, since it uses as much as digits as its factorization.

2507317 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1470, while the sum is 25.

The square root of 2507317 is about 1583.4509780855. The cubic root of 2507317 is about 135.8531611522.

The spelling of 2507317 in words is "two million, five hundred seven thousand, three hundred seventeen".