25441530031097 has 2 divisors, whose sum is σ = 25441530031098. Its totient is φ = 25441530031096.

The previous prime is 25441530031067. The next prime is 25441530031133. The reversal of 25441530031097 is 79013003514452.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19192424999056 + 6249105032041 = 4380916^2 + 2499821^2 .

It is a cyclic number.

It is not a de Polignac number, because 25441530031097 - 2⁸ = 25441530030841 is a prime.

It is not a weakly prime, because it can be changed into another prime (25441530031067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12720765015548 + 12720765015549.

It is an arithmetic number, because the mean of its divisors is an integer number (12720765015549).

Almost surely, 2^{25441530031097} is an apocalyptic number.

It is an amenable number.

25441530031097 is a deficient number, since it is larger than the sum of its proper divisors (1).

25441530031097 is an equidigital number, since it uses as much as digits as its factorization.

25441530031097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 453600, while the sum is 44.

The spelling of 25441530031097 in words is "twenty-five trillion, four hundred forty-one billion, five hundred thirty million, thirty-one thousand, ninety-seven".