25442966 has 8 divisors (see below), whose sum is σ = 38211264. Its totient is φ = 12705880.

The previous prime is 25442953. The next prime is 25442969. The reversal of 25442966 is 66924452.

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 (25442969) 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 in 3 ways as a sum of consecutive naturals, for example, 5645 + ... + 9096.

It is an arithmetic number, because the mean of its divisors is an integer number (4776408).

Almost surely, 2^25442966 is an apocalyptic number.

25442966 is a deficient number, since it is larger than the sum of its proper divisors (12768298).

25442966 is a wasteful number, since it uses less digits than its factorization.

25442966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15606.

The product of its digits is 103680, while the sum is 38.

The square root of 25442966 is about 5044.1021004734. The cubic root of 25442966 is about 294.1186603557.

The spelling of 25442966 in words is "twenty-five million, four hundred forty-two thousand, nine hundred sixty-six".