195213 has 4 divisors (see below), whose sum is σ = 260288. Its totient is φ = 130140.

The previous prime is 195203. The next prime is 195229. The reversal of 195213 is 312591.

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 not a de Polignac number, because 195213 - 2⁴ = 195197 is a prime.

It is an Ulam number.

It is a D-number.

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 195213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (195203) 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, 32533 + ... + 32538.

It is an arithmetic number, because the mean of its divisors is an integer number (65072).

2¹⁹⁵²¹³ is an apocalyptic number.

It is an amenable number.

195213 is a deficient number, since it is larger than the sum of its proper divisors (65075).

195213 is an equidigital number, since it uses as much as digits as its factorization.

195213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65074.

The product of its digits is 270, while the sum is 21.

The square root of 195213 is about 441.8291525013. The cubic root of 195213 is about 58.0100062007.

The spelling of 195213 in words is "one hundred ninety-five thousand, two hundred thirteen".