25864235 has 16 divisors (see below), whose sum is σ = 32260032. Its totient is φ = 19891200.

The previous prime is 25864207. The next prime is 25864249. The reversal of 25864235 is 53246852.

It is not a de Polignac number, because 25864235 - 2⁶ = 25864171 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25864195 and 25864204.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 13667 + ... + 15443.

It is an arithmetic number, because the mean of its divisors is an integer number (2016252).

Almost surely, 2^25864235 is an apocalyptic number.

25864235 is a deficient number, since it is larger than the sum of its proper divisors (6395797).

25864235 is a wasteful number, since it uses less digits than its factorization.

25864235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1894.

The product of its digits is 57600, while the sum is 35.

The square root of 25864235 is about 5085.6892354921. The cubic root of 25864235 is about 295.7330614786.

The spelling of 25864235 in words is "twenty-five million, eight hundred sixty-four thousand, two hundred thirty-five".