193982825 has 6 divisors (see below), whose sum is σ = 240538734. Its totient is φ = 155186240.

The previous prime is 193982813. The next prime is 193982857. The reversal of 193982825 is 528289391.

It can be written as a sum of positive squares in 3 ways, for example, as 8369449 + 185613376 = 2893^2 + 13624^2 .

It is not a de Polignac number, because 193982825 - 2¹⁴ = 193966441 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 193982825.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3879632 + ... + 3879681.

It is an arithmetic number, because the mean of its divisors is an integer number (40089789).

Almost surely, 2^193982825 is an apocalyptic number.

It is an amenable number.

193982825 is a deficient number, since it is larger than the sum of its proper divisors (46555909).

193982825 is an equidigital number, since it uses as much as digits as its factorization.

193982825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7759323 (or 7759318 counting only the distinct ones).

The product of its digits is 311040, while the sum is 47.

The square root of 193982825 is about 13927.7717169689. The cubic root of 193982825 is about 578.8789533010.

The spelling of 193982825 in words is "one hundred ninety-three million, nine hundred eighty-two thousand, eight hundred twenty-five".