195312361 has 16 divisors (see below), whose sum is σ = 206827200. Its totient is φ = 184161600.

The previous prime is 195312353. The next prime is 195312421. The reversal of 195312361 is 163213591.

It is a happy number.

It is not a de Polignac number, because 195312361 - 2³ = 195312353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (195312311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 360751 + ... + 361291.

It is an arithmetic number, because the mean of its divisors is an integer number (12926700).

Almost surely, 2^195312361 is an apocalyptic number.

It is an amenable number.

195312361 is a deficient number, since it is larger than the sum of its proper divisors (11514839).

195312361 is a wasteful number, since it uses less digits than its factorization.

195312361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 840.

The product of its digits is 4860, while the sum is 31.

The square root of 195312361 is about 13975.4198863576. The cubic root of 195312361 is about 580.1984665630.

The spelling of 195312361 in words is "one hundred ninety-five million, three hundred twelve thousand, three hundred sixty-one".