25007317 has 2 divisors, whose sum is σ = 25007318. Its totient is φ = 25007316.

The previous prime is 25007293. The next prime is 25007329. The reversal of 25007317 is 71370052.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22363441 + 2643876 = 4729^2 + 1626^2 .

It is a cyclic number.

It is not a de Polignac number, because 25007317 - 2²³ = 16618709 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25007291 and 25007300.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25007347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12503658 + 12503659.

It is an arithmetic number, because the mean of its divisors is an integer number (12503659).

Almost surely, 2^25007317 is an apocalyptic number.

It is an amenable number.

25007317 is a deficient number, since it is larger than the sum of its proper divisors (1).

25007317 is an equidigital number, since it uses as much as digits as its factorization.

25007317 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 25007317 is about 5000.7316464693. The cubic root of 25007317 is about 292.4302977557.

Adding to 25007317 its reverse (71370052), we get a palindrome (96377369).

The spelling of 25007317 in words is "twenty-five million, seven thousand, three hundred seventeen".