25824993 has 16 divisors (see below), whose sum is σ = 35985600. Its totient is φ = 16452800.

The previous prime is 25824979. The next prime is 25825003. The reversal of 25824993 is 39942852.

It is a cyclic number.

It is not a de Polignac number, because 25824993 - 2⁸ = 25824737 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25824943) 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 15 ways as a sum of consecutive naturals, for example, 7318 + ... + 10256.

It is an arithmetic number, because the mean of its divisors is an integer number (2249100).

Almost surely, 2^25824993 is an apocalyptic number.

It is an amenable number.

25824993 is a deficient number, since it is larger than the sum of its proper divisors (10160607).

25824993 is a wasteful number, since it uses less digits than its factorization.

25824993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3072.

The product of its digits is 155520, while the sum is 42.

The square root of 25824993 is about 5081.8296901805. The cubic root of 25824993 is about 295.5834207233.

The spelling of 25824993 in words is "twenty-five million, eight hundred twenty-four thousand, nine hundred ninety-three".