193930201 has 4 divisors (see below), whose sum is σ = 195850404. Its totient is φ = 192010000.

The previous prime is 193930171. The next prime is 193930223. The reversal of 193930201 is 102039391.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 102039391 = 101 ⋅1010291.

It can be written as a sum of positive squares in 2 ways, for example, as 148718025 + 45212176 = 12195^2 + 6724^2 .

It is a cyclic number.

It is not a de Polignac number, because 193930201 - 2¹¹ = 193928153 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 193930201.

It is not an unprimeable number, because it can be changed into a prime (193930241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 959950 + ... + 960151.

It is an arithmetic number, because the mean of its divisors is an integer number (48962601).

Almost surely, 2^193930201 is an apocalyptic number.

It is an amenable number.

193930201 is a deficient number, since it is larger than the sum of its proper divisors (1920203).

193930201 is a wasteful number, since it uses less digits than its factorization.

193930201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1920202.

The product of its (nonzero) digits is 1458, while the sum is 28.

The square root of 193930201 is about 13925.8824136929. The cubic root of 193930201 is about 578.8266021351.

Adding to 193930201 its reverse (102039391), we get a palindrome (295969592).

The spelling of 193930201 in words is "one hundred ninety-three million, nine hundred thirty thousand, two hundred one".