25798833 has 6 divisors (see below), whose sum is σ = 37264994. Its totient is φ = 17199216.

The previous prime is 25798813. The next prime is 25798837. The reversal of 25798833 is 33889752.

It can be written as a sum of positive squares in only one way, i.e., 25735329 + 63504 = 5073^2 + 252^2 .

It is not a de Polignac number, because 25798833 - 2⁶ = 25798769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25798837) 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 5 ways as a sum of consecutive naturals, for example, 1433260 + ... + 1433277.

Almost surely, 2^25798833 is an apocalyptic number.

It is an amenable number.

25798833 is a deficient number, since it is larger than the sum of its proper divisors (11466161).

25798833 is a wasteful number, since it uses less digits than its factorization.

25798833 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2866543 (or 2866540 counting only the distinct ones).

The product of its digits is 362880, while the sum is 45.

The square root of 25798833 is about 5079.2551619307. The cubic root of 25798833 is about 295.4835810747.

The spelling of 25798833 in words is "twenty-five million, seven hundred ninety-eight thousand, eight hundred thirty-three".