25236317 has 2 divisors, whose sum is σ = 25236318. Its totient is φ = 25236316.

The previous prime is 25236259. The next prime is 25236349. The reversal of 25236317 is 71363252.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20124196 + 5112121 = 4486^2 + 2261^2 .

It is a cyclic number.

It is not a de Polignac number, because 25236317 - 2¹⁴ = 25219933 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 25236317.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25236377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12618158 + 12618159.

It is an arithmetic number, because the mean of its divisors is an integer number (12618159).

Almost surely, 2^25236317 is an apocalyptic number.

It is an amenable number.

25236317 is a deficient number, since it is larger than the sum of its proper divisors (1).

25236317 is an equidigital number, since it uses as much as digits as its factorization.

25236317 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7560, while the sum is 29.

The square root of 25236317 is about 5023.5761166723. The cubic root of 25236317 is about 293.3202127683.

Adding to 25236317 its reverse (71363252), we get a palindrome (96599569).

The spelling of 25236317 in words is "twenty-five million, two hundred thirty-six thousand, three hundred seventeen".