195512 has 8 divisors (see below), whose sum is σ = 366600. Its totient is φ = 97752.

The previous prime is 195511. The next prime is 195527. The reversal of 195512 is 215591.

195512 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 195512.

It is not an unprimeable number, because it can be changed into a prime (195511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12212 + ... + 12227.

It is an arithmetic number, because the mean of its divisors is an integer number (45825).

2¹⁹⁵⁵¹² is an apocalyptic number.

It is an amenable number.

195512 is a deficient number, since it is larger than the sum of its proper divisors (171088).

195512 is a wasteful number, since it uses less digits than its factorization.

195512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24445 (or 24441 counting only the distinct ones).

The product of its digits is 450, while the sum is 23.

The square root of 195512 is about 442.1673891186. The cubic root of 195512 is about 58.0396083000.

It can be divided in two parts, 195 and 512, that added together give a palindrome (707).

The spelling of 195512 in words is "one hundred ninety-five thousand, five hundred twelve".