25317293 has 2 divisors, whose sum is σ = 25317294. Its totient is φ = 25317292.

The previous prime is 25317289. The next prime is 25317337. The reversal of 25317293 is 39271352.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21883684 + 3433609 = 4678^2 + 1853^2 .

It is a cyclic number.

It is not a de Polignac number, because 25317293 - 2² = 25317289 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25317263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12658646 + 12658647.

It is an arithmetic number, because the mean of its divisors is an integer number (12658647).

Almost surely, 2^25317293 is an apocalyptic number.

It is an amenable number.

25317293 is a deficient number, since it is larger than the sum of its proper divisors (1).

25317293 is an equidigital number, since it uses as much as digits as its factorization.

25317293 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11340, while the sum is 32.

The square root of 25317293 is about 5031.6292589975. The cubic root of 25317293 is about 293.6336042248.

The spelling of 25317293 in words is "twenty-five million, three hundred seventeen thousand, two hundred ninety-three".