25893479 has 4 divisors (see below), whose sum is σ = 26144976. Its totient is φ = 25641984.

The previous prime is 25893473. The next prime is 25893493. The reversal of 25893479 is 97439852.

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 25893479 - 2²⁰ = 24844903 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 (25893473) 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, 125594 + ... + 125799.

It is an arithmetic number, because the mean of its divisors is an integer number (6536244).

Almost surely, 2^25893479 is an apocalyptic number.

25893479 is a deficient number, since it is larger than the sum of its proper divisors (251497).

25893479 is a wasteful number, since it uses less digits than its factorization.

25893479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251496.

The product of its digits is 544320, while the sum is 47.

The square root of 25893479 is about 5088.5635497653. The cubic root of 25893479 is about 295.8444786561.

The spelling of 25893479 in words is "twenty-five million, eight hundred ninety-three thousand, four hundred seventy-nine".