195427263 has 4 divisors (see below), whose sum is σ = 260569688. Its totient is φ = 130284840.

The previous prime is 195427249. The next prime is 195427289. The reversal of 195427263 is 362724591.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 362724591 = 3 ⋅120908197.

It is not a de Polignac number, because 195427263 - 2⁵ = 195427231 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (195427663) 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, 32571208 + ... + 32571213.

It is an arithmetic number, because the mean of its divisors is an integer number (65142422).

Almost surely, 2^195427263 is an apocalyptic number.

195427263 is a deficient number, since it is larger than the sum of its proper divisors (65142425).

195427263 is an equidigital number, since it uses as much as digits as its factorization.

195427263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65142424.

The product of its digits is 90720, while the sum is 39.

The square root of 195427263 is about 13979.5301423188. The cubic root of 195427263 is about 580.3122209186.

The spelling of 195427263 in words is "one hundred ninety-five million, four hundred twenty-seven thousand, two hundred sixty-three".