25397298 has 12 divisors (see below), whose sum is σ = 55027518. Its totient is φ = 8465760.

The previous prime is 25397297. The next prime is 25397311. The reversal of 25397298 is 89279352.

It can be written as a sum of positive squares in only one way, i.e., 24830289 + 567009 = 4983^2 + 753^2 .

It is not an unprimeable number, because it can be changed into a prime (25397293) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 705463 + ... + 705498.

Almost surely, 2^25397298 is an apocalyptic number.

25397298 is an abundant number, since it is smaller than the sum of its proper divisors (29630220).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25397298 is a wasteful number, since it uses less digits than its factorization.

25397298 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1410969 (or 1410966 counting only the distinct ones).

The product of its digits is 272160, while the sum is 45.

The square root of 25397298 is about 5039.5731962141. The cubic root of 25397298 is about 293.9425821510.

The spelling of 25397298 in words is "twenty-five million, three hundred ninety-seven thousand, two hundred ninety-eight".