25546879 has 4 divisors (see below), whose sum is σ = 25639384. Its totient is φ = 25454376.

The previous prime is 25546853. The next prime is 25546889. The reversal of 25546879 is 97864552.

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 25546879 - 2¹⁷ = 25415807 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 (25546889) 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, 45837 + ... + 46390.

It is an arithmetic number, because the mean of its divisors is an integer number (6409846).

Almost surely, 2^25546879 is an apocalyptic number.

25546879 is a deficient number, since it is larger than the sum of its proper divisors (92505).

25546879 is an equidigital number, since it uses as much as digits as its factorization.

25546879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92504.

The product of its digits is 604800, while the sum is 46.

The square root of 25546879 is about 5054.3920504844. The cubic root of 25546879 is about 294.5185251466.

The spelling of 25546879 in words is "twenty-five million, five hundred forty-six thousand, eight hundred seventy-nine".