195653 has 6 divisors (see below), whose sum is σ = 208146. Its totient is φ = 183872.

The previous prime is 195599. The next prime is 195659. The reversal of 195653 is 356591.

It can be written as a sum of positive squares in 3 ways, for example, as 145924 + 49729 = 382^2 + 223^2 .

It is not a de Polignac number, because 195653 - 2¹⁴ = 179269 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (195659) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 50 + ... + 627.

It is an arithmetic number, because the mean of its divisors is an integer number (34691).

2¹⁹⁵⁶⁵³ is an apocalyptic number.

It is an amenable number.

195653 is a deficient number, since it is larger than the sum of its proper divisors (12493).

195653 is an equidigital number, since it uses as much as digits as its factorization.

195653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 711 (or 694 counting only the distinct ones).

The product of its digits is 4050, while the sum is 29.

The square root of 195653 is about 442.3268022628. The cubic root of 195653 is about 58.0535573471.

It can be divided in two parts, 195 and 653, that added together give a palindrome (848).

The spelling of 195653 in words is "one hundred ninety-five thousand, six hundred fifty-three".