25353060497 has 2 divisors, whose sum is σ = 25353060498. Its totient is φ = 25353060496.

The previous prime is 25353060479. The next prime is 25353060529. The reversal of 25353060497 is 79406035352.

Together with previous prime (25353060479) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22462815376 + 2890245121 = 149876^2 + 53761^2 .

It is a cyclic number.

It is not a de Polignac number, because 25353060497 - 2²⁰ = 25352011921 is a prime.

It is not a weakly prime, because it can be changed into another prime (25353060197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12676530248 + 12676530249.

It is an arithmetic number, because the mean of its divisors is an integer number (12676530249).

Almost surely, 2^25353060497 is an apocalyptic number.

It is an amenable number.

25353060497 is a deficient number, since it is larger than the sum of its proper divisors (1).

25353060497 is an equidigital number, since it uses as much as digits as its factorization.

25353060497 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 680400, while the sum is 44.

The spelling of 25353060497 in words is "twenty-five billion, three hundred fifty-three million, sixty thousand, four hundred ninety-seven".