25563934 has 8 divisors (see below), whose sum is σ = 41831928. Its totient is φ = 11619960.

The previous prime is 25563931. The next prime is 25563959. The reversal of 25563934 is 43936552.

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

It is a junction number, because it is equal to n+sod(n) for n = 25563893 and 25563902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25563931) 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, 580977 + ... + 581020.

It is an arithmetic number, because the mean of its divisors is an integer number (5228991).

Almost surely, 2^25563934 is an apocalyptic number.

25563934 is a deficient number, since it is larger than the sum of its proper divisors (16267994).

25563934 is a wasteful number, since it uses less digits than its factorization.

25563934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1162010.

The product of its digits is 97200, while the sum is 37.

The square root of 25563934 is about 5056.0789155234. The cubic root of 25563934 is about 294.5840503859.

The spelling of 25563934 in words is "twenty-five million, five hundred sixty-three thousand, nine hundred thirty-four".