195343051 has 4 divisors (see below), whose sum is σ = 196038504. Its totient is φ = 194647600.

The previous prime is 195343037. The next prime is 195343067. The reversal of 195343051 is 150343591.

It is a happy number.

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 195343051 - 2⁵ = 195343019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (195343451) 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, 347305 + ... + 347866.

It is an arithmetic number, because the mean of its divisors is an integer number (49009626).

Almost surely, 2^195343051 is an apocalyptic number.

195343051 is a deficient number, since it is larger than the sum of its proper divisors (695453).

195343051 is an equidigital number, since it uses as much as digits as its factorization.

195343051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 695452.

The product of its (nonzero) digits is 8100, while the sum is 31.

The square root of 195343051 is about 13976.5178424384. The cubic root of 195343051 is about 580.2288543962.

The spelling of 195343051 in words is "one hundred ninety-five million, three hundred forty-three thousand, fifty-one".