195079 has 4 divisors (see below), whose sum is σ = 195976. Its totient is φ = 194184.

The previous prime is 195077. The next prime is 195089. The reversal of 195079 is 970591.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 970591 = 487 ⋅1993.

It is a cyclic number.

It is not a de Polignac number, because 195079 - 2¹ = 195077 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 195079.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (195071) 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, 112 + ... + 634.

It is an arithmetic number, because the mean of its divisors is an integer number (48994).

2¹⁹⁵⁰⁷⁹ is an apocalyptic number.

195079 is a deficient number, since it is larger than the sum of its proper divisors (897).

195079 is an equidigital number, since it uses as much as digits as its factorization.

195079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 896.

The product of its (nonzero) digits is 2835, while the sum is 31.

The square root of 195079 is about 441.6774841443. The cubic root of 195079 is about 57.9967298989.

The spelling of 195079 in words is "one hundred ninety-five thousand, seventy-nine".