25630606 has 8 divisors (see below), whose sum is σ = 39771720. Its totient is φ = 12373368.

The previous prime is 25630597. The next prime is 25630607. The reversal of 25630606 is 60603652.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25630607) 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 in 3 ways as a sum of consecutive naturals, for example, 220896 + ... + 221011.

It is an arithmetic number, because the mean of its divisors is an integer number (4971465).

Almost surely, 2^25630606 is an apocalyptic number.

25630606 is a deficient number, since it is larger than the sum of its proper divisors (14141114).

25630606 is a wasteful number, since it uses less digits than its factorization.

25630606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 441938.

The product of its (nonzero) digits is 6480, while the sum is 28.

The square root of 25630606 is about 5062.6678737598. The cubic root of 25630606 is about 294.8399246452.

The spelling of 25630606 in words is "twenty-five million, six hundred thirty thousand, six hundred six".