25791479 has 8 divisors (see below), whose sum is σ = 30272928. Its totient is φ = 21509280.

The previous prime is 25791463. The next prime is 25791497. The reversal of 25791479 is 97419752.

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 25791479 - 2⁴ = 25791463 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25791439) 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, 49532 + ... + 50049.

It is an arithmetic number, because the mean of its divisors is an integer number (3784116).

Almost surely, 2^25791479 is an apocalyptic number.

25791479 is a deficient number, since it is larger than the sum of its proper divisors (4481449).

25791479 is an equidigital number, since it uses as much as digits as its factorization.

25791479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99625.

The product of its digits is 158760, while the sum is 44.

The square root of 25791479 is about 5078.5311852936. The cubic root of 25791479 is about 295.4555023788.

The spelling of 25791479 in words is "twenty-five million, seven hundred ninety-one thousand, four hundred seventy-nine".