25255606 has 4 divisors (see below), whose sum is σ = 37883412. Its totient is φ = 12627802.

The previous prime is 25255561. The next prime is 25255609. The reversal of 25255606 is 60655252.

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 (25255609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6313900 + ... + 6313903.

It is an arithmetic number, because the mean of its divisors is an integer number (9470853).

Almost surely, 2^25255606 is an apocalyptic number.

25255606 is a deficient number, since it is larger than the sum of its proper divisors (12627806).

25255606 is a wasteful number, since it uses less digits than its factorization.

25255606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12627805.

The product of its (nonzero) digits is 18000, while the sum is 31.

The square root of 25255606 is about 5025.4955974511. The cubic root of 25255606 is about 293.3949253699.

The spelling of 25255606 in words is "twenty-five million, two hundred fifty-five thousand, six hundred six".