195069 has 12 divisors (see below), whose sum is σ = 302784. Its totient is φ = 111384.

The previous prime is 195053. The next prime is 195071. The reversal of 195069 is 960591.

It is not a de Polignac number, because 195069 - 2⁴ = 195053 is a prime.

It is a super-2 number, since 2×195069² = 76103829522, which contains 22 as substring.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (195029) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 517 + ... + 810.

It is an arithmetic number, because the mean of its divisors is an integer number (25232).

2¹⁹⁵⁰⁶⁹ is an apocalyptic number.

It is an amenable number.

195069 is a deficient number, since it is larger than the sum of its proper divisors (107715).

195069 is a wasteful number, since it uses less digits than its factorization.

195069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1344 (or 1337 counting only the distinct ones).

The product of its (nonzero) digits is 2430, while the sum is 30.

The square root of 195069 is about 441.6661635217. Note that the first 3 decimals coincide. The cubic root of 195069 is about 57.9957388863.

The spelling of 195069 in words is "one hundred ninety-five thousand, sixty-nine".