25754279 has 2 divisors, whose sum is σ = 25754280. Its totient is φ = 25754278.

The previous prime is 25754263. The next prime is 25754297. The reversal of 25754279 is 97245752.

Together with next prime (25754297) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25754279 - 2⁴ = 25754263 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25754299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12877139 + 12877140.

It is an arithmetic number, because the mean of its divisors is an integer number (12877140).

Almost surely, 2^25754279 is an apocalyptic number.

25754279 is a deficient number, since it is larger than the sum of its proper divisors (1).

25754279 is an equidigital number, since it uses as much as digits as its factorization.

25754279 is an evil number, because the sum of its binary digits is even.

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

The square root of 25754279 is about 5074.8673874299. The cubic root of 25754279 is about 295.3133852460.

The spelling of 25754279 in words is "twenty-five million, seven hundred fifty-four thousand, two hundred seventy-nine".