195735213 has 24 divisors (see below), whose sum is σ = 290908800. Its totient is φ = 126756864.

The previous prime is 195735193. The next prime is 195735223. The reversal of 195735213 is 312537591.

It is not a de Polignac number, because 195735213 - 2⁶ = 195735149 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (195735223) 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 23 ways as a sum of consecutive naturals, for example, 57133 + ... + 60461.

It is an arithmetic number, because the mean of its divisors is an integer number (12121200).

Almost surely, 2^195735213 is an apocalyptic number.

It is an amenable number.

195735213 is a deficient number, since it is larger than the sum of its proper divisors (95173587).

195735213 is a wasteful number, since it uses less digits than its factorization.

With its predecessor (195735212) it forms a Ruth-Aaron pair, since the sum of their prime factors is the same (3521).

195735213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3521 (or 3518 counting only the distinct ones).

The product of its digits is 28350, while the sum is 36.

The square root of 195735213 is about 13990.5401253847. The cubic root of 195735213 is about 580.6168753804.

The spelling of 195735213 in words is "one hundred ninety-five million, seven hundred thirty-five thousand, two hundred thirteen".