25684055 has 4 divisors (see below), whose sum is σ = 30820872. Its totient is φ = 20547240.

The previous prime is 25684049. The next prime is 25684103. The reversal of 25684055 is 55048652.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 25684055 - 2⁴ = 25684039 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2568401 + ... + 2568410.

It is an arithmetic number, because the mean of its divisors is an integer number (7705218).

Almost surely, 2^25684055 is an apocalyptic number.

25684055 is a deficient number, since it is larger than the sum of its proper divisors (5136817).

25684055 is an equidigital number, since it uses as much as digits as its factorization.

25684055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5136816.

The product of its (nonzero) digits is 48000, while the sum is 35.

The square root of 25684055 is about 5067.9438631461. The cubic root of 25684055 is about 295.0447313191.

The spelling of 25684055 in words is "twenty-five million, six hundred eighty-four thousand, fifty-five".