25354279 has 2 divisors, whose sum is σ = 25354280. Its totient is φ = 25354278.

The previous prime is 25354271. The next prime is 25354289. The reversal of 25354279 is 97245352.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25354279 - 2³ = 25354271 is a prime.

It is a super-3 number, since 3×25354279³ (a number of 23 digits) contains 333 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25354271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12677139 + 12677140.

It is an arithmetic number, because the mean of its divisors is an integer number (12677140).

Almost surely, 2^25354279 is an apocalyptic number.

25354279 is a deficient number, since it is larger than the sum of its proper divisors (1).

25354279 is an equidigital number, since it uses as much as digits as its factorization.

25354279 is an evil number, because the sum of its binary digits is even.

The product of its digits is 75600, while the sum is 37.

The square root of 25354279 is about 5035.3032679274. The cubic root of 25354279 is about 293.7765242987.

The spelling of 25354279 in words is "twenty-five million, three hundred fifty-four thousand, two hundred seventy-nine".