25479995 has 8 divisors (see below), whose sum is σ = 30603984. Its totient is φ = 20365344.

The previous prime is 25479967. The next prime is 25480027. The reversal of 25479995 is 59997452.

It is a happy number.

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 25479995 - 2⁸ = 25479739 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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, 7277 + ... + 10193.

It is an arithmetic number, because the mean of its divisors is an integer number (3825498).

Almost surely, 2^25479995 is an apocalyptic number.

25479995 is a deficient number, since it is larger than the sum of its proper divisors (5123989).

25479995 is a wasteful number, since it uses less digits than its factorization.

25479995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4669.

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

The square root of 25479995 is about 5047.7712903815. The cubic root of 25479995 is about 294.2612752890.

The spelling of 25479995 in words is "twenty-five million, four hundred seventy-nine thousand, nine hundred ninety-five".