195061 has 4 divisors (see below), whose sum is σ = 196992. Its totient is φ = 193132.
The previous prime is 195053. The next prime is 195071. The reversal of 195061 is 160591.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 195061 - 23 = 195053 is a prime.
It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a Duffinian number.
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 pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 805 + ... + 1018.
It is an arithmetic number, because the mean of its divisors is an integer number (49248).
2195061 is an apocalyptic number.
It is an amenable number.
195061 is a deficient number, since it is larger than the sum of its proper divisors (1931).
195061 is a wasteful number, since it uses less digits than its factorization.
195061 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1930.
The product of its (nonzero) digits is 270, while the sum is 22.
The square root of 195061 is about 441.6571068148. The cubic root of 195061 is about 57.9949460519.
The spelling of 195061 in words is "one hundred ninety-five thousand, sixty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •