25275275502497 has 2 divisors, whose sum is σ = 25275275502498. Its totient is φ = 25275275502496.

The previous prime is 25275275502479. The next prime is 25275275502629. The reversal of 25275275502497 is 79420557257252.

Together with previous prime (25275275502479) 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., 25242223898896 + 33051603601 = 5024164^2 + 181801^2 .

It is a cyclic number.

It is not a de Polignac number, because 25275275502497 - 2¹⁰ = 25275275501473 is a prime.

It is not a weakly prime, because it can be changed into another prime (25275275552497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12637637751248 + 12637637751249.

It is an arithmetic number, because the mean of its divisors is an integer number (12637637751249).

Almost surely, 2^{25275275502497} is an apocalyptic number.

It is an amenable number.

25275275502497 is a deficient number, since it is larger than the sum of its proper divisors (1).

25275275502497 is an equidigital number, since it uses as much as digits as its factorization.

25275275502497 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 123480000, while the sum is 62.

The spelling of 25275275502497 in words is "twenty-five trillion, two hundred seventy-five billion, two hundred seventy-five million, five hundred two thousand, four hundred ninety-seven".