25995479 has 4 divisors (see below), whose sum is σ = 26008584. Its totient is φ = 25982376.

The previous prime is 25995469. The next prime is 25995511. The reversal of 25995479 is 97459952.

It is a happy number.

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 25995479 - 2²⁴ = 9218263 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25995419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2897 + ... + 7770.

It is an arithmetic number, because the mean of its divisors is an integer number (6502146).

Almost surely, 2^25995479 is an apocalyptic number.

25995479 is a deficient number, since it is larger than the sum of its proper divisors (13105).

25995479 is a wasteful number, since it uses less digits than its factorization.

25995479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13104.

The product of its digits is 1020600, while the sum is 50.

The square root of 25995479 is about 5098.5761737960. The cubic root of 25995479 is about 296.2324347624.

The spelling of 25995479 in words is "twenty-five million, nine hundred ninety-five thousand, four hundred seventy-nine".