195695537 has 8 divisors (see below), whose sum is σ = 201204960. Its totient is φ = 190229760.

The previous prime is 195695531. The next prime is 195695587. The reversal of 195695537 is 735596591.

195695537 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 195695537 - 2⁶ = 195695473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (195695531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1712 + ... + 19857.

It is an arithmetic number, because the mean of its divisors is an integer number (25150620).

Almost surely, 2^195695537 is an apocalyptic number.

It is an amenable number.

195695537 is a deficient number, since it is larger than the sum of its proper divisors (5509423).

195695537 is a wasteful number, since it uses less digits than its factorization.

195695537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21823.

The product of its digits is 1275750, while the sum is 50.

The square root of 195695537 is about 13989.1220953997. The cubic root of 195695537 is about 580.5776419155.

The spelling of 195695537 in words is "one hundred ninety-five million, six hundred ninety-five thousand, five hundred thirty-seven".