25804134 has 24 divisors (see below), whose sum is σ = 56489160. Its totient is φ = 8512128.

The previous prime is 25804127. The next prime is 25804151. The reversal of 25804134 is 43140852.

It is a junction number, because it is equal to n+sod(n) for n = 25804098 and 25804107.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5644 + ... + 9135.

It is an arithmetic number, because the mean of its divisors is an integer number (2353715).

Almost surely, 2^25804134 is an apocalyptic number.

25804134 is an abundant number, since it is smaller than the sum of its proper divisors (30685026).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25804134 is a wasteful number, since it uses less digits than its factorization.

25804134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14884 (or 14881 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 25804134 is about 5079.7769636078. The cubic root of 25804134 is about 295.5038177936.

Adding to 25804134 its reverse (43140852), we get a palindrome (68944986).

The spelling of 25804134 in words is "twenty-five million, eight hundred four thousand, one hundred thirty-four".