25010254271897 has 2 divisors, whose sum is σ = 25010254271898. Its totient is φ = 25010254271896.

The previous prime is 25010254271879. The next prime is 25010254271923. The reversal of 25010254271897 is 79817245201052.

Together with previous prime (25010254271879) 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., 21050377148761 + 3959877123136 = 4588069^2 + 1989944^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25010254271897 is a prime.

It is not a weakly prime, because it can be changed into another prime (25010254271297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12505127135948 + 12505127135949.

It is an arithmetic number, because the mean of its divisors is an integer number (12505127135949).

Almost surely, 2^{25010254271897} is an apocalyptic number.

It is an amenable number.

25010254271897 is a deficient number, since it is larger than the sum of its proper divisors (1).

25010254271897 is an equidigital number, since it uses as much as digits as its factorization.

25010254271897 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2822400, while the sum is 53.

The spelling of 25010254271897 in words is "twenty-five trillion, ten billion, two hundred fifty-four million, two hundred seventy-one thousand, eight hundred ninety-seven".