25878833 has 4 divisors (see below), whose sum is σ = 26050368. Its totient is φ = 25707300.

The previous prime is 25878803. The next prime is 25878857. The reversal of 25878833 is 33887852.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 25878833 - 2²⁰ = 24830257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25878803) 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 3 ways as a sum of consecutive naturals, for example, 85541 + ... + 85842.

It is an arithmetic number, because the mean of its divisors is an integer number (6512592).

Almost surely, 2^25878833 is an apocalyptic number.

It is an amenable number.

25878833 is a deficient number, since it is larger than the sum of its proper divisors (171535).

25878833 is a wasteful number, since it uses less digits than its factorization.

25878833 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171534.

The product of its digits is 322560, while the sum is 44.

The square root of 25878833 is about 5087.1242367373. The cubic root of 25878833 is about 295.7886891215.

The spelling of 25878833 in words is "twenty-five million, eight hundred seventy-eight thousand, eight hundred thirty-three".