25479867 has 8 divisors (see below), whose sum is σ = 38826496. Its totient is φ = 14559912.

The previous prime is 25479859. The next prime is 25479869. The reversal of 25479867 is 76897452.

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

It is not a de Polignac number, because 25479867 - 2³ = 25479859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25479869) 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 7 ways as a sum of consecutive naturals, for example, 606643 + ... + 606684.

It is an arithmetic number, because the mean of its divisors is an integer number (4853312).

Almost surely, 2^25479867 is an apocalyptic number.

25479867 is a deficient number, since it is larger than the sum of its proper divisors (13346629).

25479867 is a wasteful number, since it uses less digits than its factorization.

25479867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1213337.

The product of its digits is 846720, while the sum is 48.

The square root of 25479867 is about 5047.7586115027. The cubic root of 25479867 is about 294.2607825428.

The spelling of 25479867 in words is "twenty-five million, four hundred seventy-nine thousand, eight hundred sixty-seven".