25854427 has 4 divisors (see below), whose sum is σ = 25864776. Its totient is φ = 25844080.

The previous prime is 25854401. The next prime is 25854431. The reversal of 25854427 is 72445852.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 25854427 - 2⁷ = 25854299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25854727) 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, 1152 + ... + 7282.

It is an arithmetic number, because the mean of its divisors is an integer number (6466194).

Almost surely, 2^25854427 is an apocalyptic number.

25854427 is a deficient number, since it is larger than the sum of its proper divisors (10349).

25854427 is an equidigital number, since it uses as much as digits as its factorization.

25854427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10348.

The product of its digits is 89600, while the sum is 37.

The square root of 25854427 is about 5084.7248696463. The cubic root of 25854427 is about 295.6956750184.

The spelling of 25854427 in words is "twenty-five million, eight hundred fifty-four thousand, four hundred twenty-seven".