193215085 has 24 divisors (see below), whose sum is σ = 283914720. Its totient is φ = 125514144.

The previous prime is 193215079. The next prime is 193215089. The reversal of 193215085 is 580512391.

193215085 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 193215085 - 2⁵ = 193215053 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 193215085.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (193215089) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16099 + ... + 25408.

It is an arithmetic number, because the mean of its divisors is an integer number (11829780).

Almost surely, 2^193215085 is an apocalyptic number.

It is an amenable number.

193215085 is a deficient number, since it is larger than the sum of its proper divisors (90699635).

193215085 is a wasteful number, since it uses less digits than its factorization.

193215085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41545 (or 41538 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 34.

The square root of 193215085 is about 13900.1829124656. The cubic root of 193215085 is about 578.1142530654.

The spelling of 193215085 in words is "one hundred ninety-three million, two hundred fifteen thousand, eighty-five".