25872199 has 2 divisors, whose sum is σ = 25872200. Its totient is φ = 25872198.

The previous prime is 25872157. The next prime is 25872233. The reversal of 25872199 is 99127852.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25872199 - 2⁷ = 25872071 is a prime.

It is a congruent number.

It is a weakly prime.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12936099 + 12936100.

It is an arithmetic number, because the mean of its divisors is an integer number (12936100).

Almost surely, 2^25872199 is an apocalyptic number.

25872199 is a deficient number, since it is larger than the sum of its proper divisors (1).

25872199 is an equidigital number, since it uses as much as digits as its factorization.

25872199 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 90720, while the sum is 43.

The square root of 25872199 is about 5086.4721566131. The cubic root of 25872199 is about 295.7634119659.

The spelling of 25872199 in words is "twenty-five million, eight hundred seventy-two thousand, one hundred ninety-nine".