25412112497 has 2 divisors, whose sum is σ = 25412112498. Its totient is φ = 25412112496.

The previous prime is 25412112443. The next prime is 25412112521. The reversal of 25412112497 is 79421121452.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17933495056 + 7478617441 = 133916^2 + 86479^2 .

It is a cyclic number.

It is not a de Polignac number, because 25412112497 - 2¹⁴ = 25412096113 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 25412112497.

It is not a weakly prime, because it can be changed into another prime (25412112197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12706056248 + 12706056249.

It is an arithmetic number, because the mean of its divisors is an integer number (12706056249).

Almost surely, 2^25412112497 is an apocalyptic number.

It is an amenable number.

25412112497 is a deficient number, since it is larger than the sum of its proper divisors (1).

25412112497 is an equidigital number, since it uses as much as digits as its factorization.

25412112497 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 40320, while the sum is 38.

The spelling of 25412112497 in words is "twenty-five billion, four hundred twelve million, one hundred twelve thousand, four hundred ninety-seven".