195051 has 8 divisors (see below), whose sum is σ = 263680. Its totient is φ = 128232.

The previous prime is 195049. The next prime is 195053. The reversal of 195051 is 150591.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (195049) and next prime (195053).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 195051 - 2¹ = 195049 is a prime.

It is a Duffinian number.

It is a plaindrome in base 11.

It is not an unprimeable number, because it can be changed into a prime (195053) 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 7 ways as a sum of consecutive naturals, for example, 175 + ... + 648.

It is an arithmetic number, because the mean of its divisors is an integer number (32960).

2¹⁹⁵⁰⁵¹ is an apocalyptic number.

195051 is a deficient number, since it is larger than the sum of its proper divisors (68629).

195051 is an equidigital number, since it uses as much as digits as its factorization.

195051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 905.

The product of its (nonzero) digits is 225, while the sum is 21.

The square root of 195051 is about 441.6457856699. The cubic root of 195051 is about 57.9939549784.

The spelling of 195051 in words is "one hundred ninety-five thousand, fifty-one".