195195 has 48 divisors (see below), whose sum is σ = 421632. Its totient is φ = 74880.

The previous prime is 195193. The next prime is 195197. The reversal of 195195 is 591591.

It is an interprime number because it is at equal distance from previous prime (195193) and next prime (195197).

It is not a de Polignac number, because 195195 - 2¹ = 195193 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (195193) 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 47 ways as a sum of consecutive naturals, for example, 15009 + ... + 15021.

It is an arithmetic number, because the mean of its divisors is an integer number (8784).

2¹⁹⁵¹⁹⁵ is an apocalyptic number.

195195 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

195195 is an abundant number, since it is smaller than the sum of its proper divisors (226437).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

195195 is a wasteful number, since it uses less digits than its factorization.

195195 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52 (or 39 counting only the distinct ones).

The product of its digits is 2025, while the sum is 30.

The square root of 195195 is about 441.8087821671. The cubic root of 195195 is about 58.0082231702.

The spelling of 195195 in words is "one hundred ninety-five thousand, one hundred ninety-five".