195029213 has 4 divisors (see below), whose sum is σ = 203508768. Its totient is φ = 186549660.

The previous prime is 195029203. The next prime is 195029291. The reversal of 195029213 is 312920591.

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, and also an emirpimes, since its reverse is a distinct semiprime: 312920591 = 4793 ⋅65287.

It is a cyclic number.

It is not a de Polignac number, because 195029213 - 2²² = 190834909 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 195029213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (195029203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4239743 + ... + 4239788.

It is an arithmetic number, because the mean of its divisors is an integer number (50877192).

Almost surely, 2^195029213 is an apocalyptic number.

It is an amenable number.

195029213 is a deficient number, since it is larger than the sum of its proper divisors (8479555).

195029213 is an equidigital number, since it uses as much as digits as its factorization.

195029213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8479554.

The product of its (nonzero) digits is 4860, while the sum is 32.

The square root of 195029213 is about 13965.2859977875. The cubic root of 195029213 is about 579.9179560922.

The spelling of 195029213 in words is "one hundred ninety-five million, twenty-nine thousand, two hundred thirteen".