195796531 has 8 divisors (see below), whose sum is σ = 236930400. Its totient is φ = 157953408.

The previous prime is 195796481. The next prime is 195796541. The reversal of 195796531 is 135697591.

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 195796531 - 2⁹ = 195796019 is a prime.

It is a super-2 number, since 2×195796531² = 76672563103267922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (195796541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 822556 + ... + 822793.

It is an arithmetic number, because the mean of its divisors is an integer number (29616300).

Almost surely, 2^195796531 is an apocalyptic number.

195796531 is a deficient number, since it is larger than the sum of its proper divisors (41133869).

195796531 is a wasteful number, since it uses less digits than its factorization.

195796531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1645373.

The product of its digits is 255150, while the sum is 46.

The square root of 195796531 is about 13992.7313631042. The cubic root of 195796531 is about 580.6774990294.

The spelling of 195796531 in words is "one hundred ninety-five million, seven hundred ninety-six thousand, five hundred thirty-one".