25316297 has 2 divisors, whose sum is σ = 25316298. Its totient is φ = 25316296.

The previous prime is 25316279. The next prime is 25316309. The reversal of 25316297 is 79261352.

Together with previous prime (25316279) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22429696 + 2886601 = 4736^2 + 1699^2 .

It is a cyclic number.

It is not a de Polignac number, because 25316297 - 2⁸ = 25316041 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (25316237) 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, 12658148 + 12658149.

It is an arithmetic number, because the mean of its divisors is an integer number (12658149).

Almost surely, 2^25316297 is an apocalyptic number.

It is an amenable number.

25316297 is a deficient number, since it is larger than the sum of its proper divisors (1).

25316297 is an equidigital number, since it uses as much as digits as its factorization.

25316297 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 22680, while the sum is 35.

The square root of 25316297 is about 5031.5302841183. The cubic root of 25316297 is about 293.6297535906.

The spelling of 25316297 in words is "twenty-five million, three hundred sixteen thousand, two hundred ninety-seven".