25795874297 has 2 divisors, whose sum is σ = 25795874298. Its totient is φ = 25795874296.

The previous prime is 25795874281. The next prime is 25795874309. The reversal of 25795874297 is 79247859752.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25657952761 + 137921536 = 160181^2 + 11744^2 .

It is a cyclic number.

It is not a de Polignac number, because 25795874297 - 2⁴ = 25795874281 is a prime.

It is not a weakly prime, because it can be changed into another prime (25795874207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12897937148 + 12897937149.

It is an arithmetic number, because the mean of its divisors is an integer number (12897937149).

Almost surely, 2^25795874297 is an apocalyptic number.

It is an amenable number.

25795874297 is a deficient number, since it is larger than the sum of its proper divisors (1).

25795874297 is an equidigital number, since it uses as much as digits as its factorization.

25795874297 is an evil number, because the sum of its binary digits is even.

The product of its digits is 88905600, while the sum is 65.

The spelling of 25795874297 in words is "twenty-five billion, seven hundred ninety-five million, eight hundred seventy-four thousand, two hundred ninety-seven".