25457000297 has 2 divisors, whose sum is σ = 25457000298. Its totient is φ = 25457000296.

The previous prime is 25457000291. The next prime is 25457000311. The reversal of 25457000297 is 79200075452.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19060839721 + 6396160576 = 138061^2 + 79976^2 .

It is a cyclic number.

It is not a de Polignac number, because 25457000297 - 2³⁴ = 8277131113 is a prime.

It is not a weakly prime, because it can be changed into another prime (25457000291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12728500148 + 12728500149.

It is an arithmetic number, because the mean of its divisors is an integer number (12728500149).

Almost surely, 2^25457000297 is an apocalyptic number.

It is an amenable number.

25457000297 is a deficient number, since it is larger than the sum of its proper divisors (1).

25457000297 is an equidigital number, since it uses as much as digits as its factorization.

25457000297 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 176400, while the sum is 41.

The spelling of 25457000297 in words is "twenty-five billion, four hundred fifty-seven million, two hundred ninety-seven", and thus it is an aban number.