195213283 has 4 divisors (see below), whose sum is σ = 196304040. Its totient is φ = 194122528.

The previous prime is 195213281. The next prime is 195213289. The reversal of 195213283 is 382312591.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 195213283 - 2¹ = 195213281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (195213281) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 545110 + ... + 545467.

It is an arithmetic number, because the mean of its divisors is an integer number (49076010).

Almost surely, 2^195213283 is an apocalyptic number.

195213283 is a deficient number, since it is larger than the sum of its proper divisors (1090757).

195213283 is a wasteful number, since it uses less digits than its factorization.

195213283 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1090756.

The product of its digits is 12960, while the sum is 34.

The square root of 195213283 is about 13971.8747131514. The cubic root of 195213283 is about 580.1003423302.

The spelling of 195213283 in words is "one hundred ninety-five million, two hundred thirteen thousand, two hundred eighty-three".