25352279 has 8 divisors (see below), whose sum is σ = 26563680. Its totient is φ = 24150016.

The previous prime is 25352263. The next prime is 25352303. The reversal of 25352279 is 97225352.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 25352279 - 2⁴ = 25352263 is a prime.

It is a Duffinian number.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25352209) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3767 + ... + 8055.

It is an arithmetic number, because the mean of its divisors is an integer number (3320460).

Almost surely, 2^25352279 is an apocalyptic number.

25352279 is a deficient number, since it is larger than the sum of its proper divisors (1211401).

25352279 is a wasteful number, since it uses less digits than its factorization.

25352279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4569.

The product of its digits is 37800, while the sum is 35.

The square root of 25352279 is about 5035.1046662408. The cubic root of 25352279 is about 293.7687995211.

The spelling of 25352279 in words is "twenty-five million, three hundred fifty-two thousand, two hundred seventy-nine".