25804034 has 16 divisors (see below), whose sum is σ = 39747456. Its totient is φ = 12558000.

The previous prime is 25804021. The next prime is 25804039. The reversal of 25804034 is 43040852.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 25803994 and 25804012.

It is not an unprimeable number, because it can be changed into a prime (25804039) 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 7 ways as a sum of consecutive naturals, for example, 19184 + ... + 20484.

It is an arithmetic number, because the mean of its divisors is an integer number (2484216).

Almost surely, 2^25804034 is an apocalyptic number.

25804034 is a deficient number, since it is larger than the sum of its proper divisors (13943422).

25804034 is a wasteful number, since it uses less digits than its factorization.

25804034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1561.

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 25804034 is about 5079.7671206464. The cubic root of 25804034 is about 295.5034360664.

Adding to 25804034 its reverse (43040852), we get a palindrome (68844886).

The spelling of 25804034 in words is "twenty-five million, eight hundred four thousand, thirty-four".