25855006 has 4 divisors (see below), whose sum is σ = 38782512. Its totient is φ = 12927502.

The previous prime is 25855003. The next prime is 25855007. The reversal of 25855006 is 60055852.

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

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25855003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6463750 + ... + 6463753.

It is an arithmetic number, because the mean of its divisors is an integer number (9695628).

Almost surely, 2^25855006 is an apocalyptic number.

25855006 is a deficient number, since it is larger than the sum of its proper divisors (12927506).

25855006 is a wasteful number, since it uses less digits than its factorization.

25855006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12927505.

The product of its (nonzero) digits is 12000, while the sum is 31.

The square root of 25855006 is about 5084.7818045615. The cubic root of 25855006 is about 295.6978823324.

The spelling of 25855006 in words is "twenty-five million, eight hundred fifty-five thousand, six".