25989134 has 8 divisors (see below), whose sum is σ = 39132720. Its totient is φ = 12944896.

The previous prime is 25989109. The next prime is 25989143. The reversal of 25989134 is 43198952.

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 = 25989091 and 25989100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24179 + ... + 25230.

It is an arithmetic number, because the mean of its divisors is an integer number (4891590).

Almost surely, 2^25989134 is an apocalyptic number.

25989134 is a deficient number, since it is larger than the sum of its proper divisors (13143586).

25989134 is a wasteful number, since it uses less digits than its factorization.

25989134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49674.

The product of its digits is 77760, while the sum is 41.

The square root of 25989134 is about 5097.9539032832. The cubic root of 25989134 is about 296.2083312411.

The spelling of 25989134 in words is "twenty-five million, nine hundred eighty-nine thousand, one hundred thirty-four".