25269131297 has 2 divisors, whose sum is σ = 25269131298. Its totient is φ = 25269131296.

The previous prime is 25269131291. The next prime is 25269131333. The reversal of 25269131297 is 79213196252.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21235484176 + 4033647121 = 145724^2 + 63511^2 .

It is a cyclic number.

It is not a de Polignac number, because 25269131297 - 2¹⁰ = 25269130273 is a prime.

It is not a weakly prime, because it can be changed into another prime (25269131291) 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, 12634565648 + 12634565649.

It is an arithmetic number, because the mean of its divisors is an integer number (12634565649).

Almost surely, 2^25269131297 is an apocalyptic number.

It is an amenable number.

25269131297 is a deficient number, since it is larger than the sum of its proper divisors (1).

25269131297 is an equidigital number, since it uses as much as digits as its factorization.

25269131297 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 408240, while the sum is 47.

The spelling of 25269131297 in words is "twenty-five billion, two hundred sixty-nine million, one hundred thirty-one thousand, two hundred ninety-seven".