25255279 has 4 divisors (see below), whose sum is σ = 28863184. Its totient is φ = 21647376.

The previous prime is 25255271. The next prime is 25255283. The reversal of 25255279 is 97255252.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 25255279 - 2³ = 25255271 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25255271) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1803942 + ... + 1803955.

It is an arithmetic number, because the mean of its divisors is an integer number (7215796).

Almost surely, 2^25255279 is an apocalyptic number.

25255279 is a deficient number, since it is larger than the sum of its proper divisors (3607905).

25255279 is an equidigital number, since it uses as much as digits as its factorization.

25255279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3607904.

The product of its digits is 63000, while the sum is 37.

The square root of 25255279 is about 5025.4630632410. The cubic root of 25255279 is about 293.3936591091.

The spelling of 25255279 in words is "twenty-five million, two hundred fifty-five thousand, two hundred seventy-nine".