25338766 has 4 divisors (see below), whose sum is σ = 38008152. Its totient is φ = 12669382.

The previous prime is 25338757. The next prime is 25338767. The reversal of 25338766 is 66783352.

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

It is a Smith number, since the sum of its digits (40) 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 (25338767) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6334690 + ... + 6334693.

It is an arithmetic number, because the mean of its divisors is an integer number (9502038).

Almost surely, 2^25338766 is an apocalyptic number.

25338766 is a deficient number, since it is larger than the sum of its proper divisors (12669386).

25338766 is a wasteful number, since it uses less digits than its factorization.

25338766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12669385.

The product of its digits is 181440, while the sum is 40.

The square root of 25338766 is about 5033.7626086259. The cubic root of 25338766 is about 293.7165964129.

The spelling of 25338766 in words is "twenty-five million, three hundred thirty-eight thousand, seven hundred sixty-six".