25027397 has 2 divisors, whose sum is σ = 25027398. Its totient is φ = 25027396.

The previous prime is 25027357. The next prime is 25027399. The reversal of 25027397 is 79372052.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21031396 + 3996001 = 4586^2 + 1999^2 .

It is a cyclic number.

It is not a de Polignac number, because 25027397 - 2¹⁰ = 25026373 is a prime.

Together with 25027399, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25027399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12513698 + 12513699.

It is an arithmetic number, because the mean of its divisors is an integer number (12513699).

Almost surely, 2^25027397 is an apocalyptic number.

It is an amenable number.

25027397 is a deficient number, since it is larger than the sum of its proper divisors (1).

25027397 is an equidigital number, since it uses as much as digits as its factorization.

25027397 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 26460, while the sum is 35.

The square root of 25027397 is about 5002.7389498154. The cubic root of 25027397 is about 292.5085472458.

The spelling of 25027397 in words is "twenty-five million, twenty-seven thousand, three hundred ninety-seven".