25685834 has 16 divisors (see below), whose sum is σ = 40733280. Its totient is φ = 12114000.

The previous prime is 25685833. The next prime is 25685837. The reversal of 25685834 is 43858652.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 25685791 and 25685800.

It is not an unprimeable number, because it can be changed into a prime (25685833) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8192 + ... + 10884.

It is an arithmetic number, because the mean of its divisors is an integer number (2545830).

Almost surely, 2^25685834 is an apocalyptic number.

25685834 is a deficient number, since it is larger than the sum of its proper divisors (15047446).

25685834 is a wasteful number, since it uses less digits than its factorization.

25685834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2965.

The product of its digits is 230400, while the sum is 41.

The square root of 25685834 is about 5068.1193750740. The cubic root of 25685834 is about 295.0515432296.

The spelling of 25685834 in words is "twenty-five million, six hundred eighty-five thousand, eight hundred thirty-four".