25426579 has 4 divisors (see below), whose sum is σ = 26764840. Its totient is φ = 24088320.

The previous prime is 25426573. The next prime is 25426589. The reversal of 25426579 is 97562452.

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 25426579 - 2⁷ = 25426451 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25426573) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 669102 + ... + 669139.

It is an arithmetic number, because the mean of its divisors is an integer number (6691210).

Almost surely, 2^25426579 is an apocalyptic number.

25426579 is a deficient number, since it is larger than the sum of its proper divisors (1338261).

25426579 is a wasteful number, since it uses less digits than its factorization.

25426579 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1338260.

The product of its digits is 151200, while the sum is 40.

The square root of 25426579 is about 5042.4774664841. The cubic root of 25426579 is about 294.0555026563.

The spelling of 25426579 in words is "twenty-five million, four hundred twenty-six thousand, five hundred seventy-nine".