25563466 has 8 divisors (see below), whose sum is σ = 38422944. Its totient is φ = 12755820.

The previous prime is 25563451. The next prime is 25563469. The reversal of 25563466 is 66436552.

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

It is not an unprimeable number, because it can be changed into a prime (25563469) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11700 + ... + 13711.

It is an arithmetic number, because the mean of its divisors is an integer number (4802868).

Almost surely, 2^25563466 is an apocalyptic number.

25563466 is a deficient number, since it is larger than the sum of its proper divisors (12859478).

25563466 is a wasteful number, since it uses less digits than its factorization.

25563466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25916.

The product of its digits is 129600, while the sum is 37.

The square root of 25563466 is about 5056.0326343884. The cubic root of 25563466 is about 294.5822527208.

The spelling of 25563466 in words is "twenty-five million, five hundred sixty-three thousand, four hundred sixty-six".