193202081 has 4 divisors (see below), whose sum is σ = 193242672. Its totient is φ = 193161492.

The previous prime is 193202069. The next prime is 193202083. The reversal of 193202081 is 180202391.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 193202081 - 2⁶ = 193202017 is a prime.

It is a super-2 number, since 2×193202081² = 74654088205461122, which contains 22 as substring.

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 193202081.

It is not an unprimeable number, because it can be changed into a prime (193202083) 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 3 ways as a sum of consecutive naturals, for example, 12035 + ... + 23048.

It is an arithmetic number, because the mean of its divisors is an integer number (48310668).

Almost surely, 2^193202081 is an apocalyptic number.

It is an amenable number.

193202081 is a deficient number, since it is larger than the sum of its proper divisors (40591).

193202081 is an equidigital number, since it uses as much as digits as its factorization.

193202081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40590.

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 193202081 is about 13899.7151409660. The cubic root of 193202081 is about 578.1012831215.

The spelling of 193202081 in words is "one hundred ninety-three million, two hundred two thousand, eighty-one".