25940634 has 8 divisors (see below), whose sum is σ = 51881280. Its totient is φ = 8646876.

The previous prime is 25940581. The next prime is 25940641. The reversal of 25940634 is 43604952.

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

25940634 is an admirable number.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 25940595 and 25940604.

It is an unprimeable number.

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, 2161714 + ... + 2161725.

It is an arithmetic number, because the mean of its divisors is an integer number (6485160).

Almost surely, 2^25940634 is an apocalyptic number.

25940634 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25940634 is a wasteful number, since it uses less digits than its factorization.

25940634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4323444.

The product of its (nonzero) digits is 25920, while the sum is 33.

The square root of 25940634 is about 5093.1948715909. The cubic root of 25940634 is about 296.0239586767.

The spelling of 25940634 in words is "twenty-five million, nine hundred forty thousand, six hundred thirty-four".