25989193 has 2 divisors, whose sum is σ = 25989194. Its totient is φ = 25989192.

The previous prime is 25989181. The next prime is 25989217. The reversal of 25989193 is 39198952.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25522704 + 466489 = 5052^2 + 683^2 .

It is a cyclic number.

It is not a de Polignac number, because 25989193 - 2¹³ = 25981001 is a prime.

It is not a weakly prime, because it can be changed into another prime (25989143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12994596 + 12994597.

It is an arithmetic number, because the mean of its divisors is an integer number (12994597).

Almost surely, 2^25989193 is an apocalyptic number.

It is an amenable number.

25989193 is a deficient number, since it is larger than the sum of its proper divisors (1).

25989193 is an equidigital number, since it uses as much as digits as its factorization.

25989193 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 25989193 is about 5097.9596899152. The cubic root of 25989193 is about 296.2085553896.

The spelling of 25989193 in words is "twenty-five million, nine hundred eighty-nine thousand, one hundred ninety-three".