25199983 has 2 divisors, whose sum is σ = 25199984. Its totient is φ = 25199982.

The previous prime is 25199981. The next prime is 25200011. The reversal of 25199983 is 38999152.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25199983 - 2¹ = 25199981 is a prime.

Together with 25199981, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25199981) 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 as a sum of consecutive naturals, namely, 12599991 + 12599992.

It is an arithmetic number, because the mean of its divisors is an integer number (12599992).

Almost surely, 2^25199983 is an apocalyptic number.

25199983 is a deficient number, since it is larger than the sum of its proper divisors (1).

25199983 is an equidigital number, since it uses as much as digits as its factorization.

25199983 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 174960, while the sum is 46.

The square root of 25199983 is about 5019.9584659636. The cubic root of 25199983 is about 293.1793758490.

The spelling of 25199983 in words is "twenty-five million, one hundred ninety-nine thousand, nine hundred eighty-three".