196532593 has 4 divisors (see below), whose sum is σ = 196677108. Its totient is φ = 196388080.

The previous prime is 196532587. The next prime is 196532617. The reversal of 196532593 is 395235691.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 395235691 = 199 ⋅1986109.

It can be written as a sum of positive squares in 2 ways, for example, as 183115024 + 13417569 = 13532^2 + 3663^2 .

It is a cyclic number.

It is not a de Polignac number, because 196532593 - 2⁹ = 196532081 is a prime.

It is a super-2 number, since 2×196532593² = 77250120222607298, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (196532293) 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 3 ways as a sum of consecutive naturals, for example, 70198 + ... + 72943.

It is an arithmetic number, because the mean of its divisors is an integer number (49169277).

Almost surely, 2^196532593 is an apocalyptic number.

It is an amenable number.

196532593 is a deficient number, since it is larger than the sum of its proper divisors (144515).

196532593 is a wasteful number, since it uses less digits than its factorization.

196532593 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144514.

The product of its digits is 218700, while the sum is 43.

The square root of 196532593 is about 14019.0082744822. The cubic root of 196532593 is about 581.4042401326.

The spelling of 196532593 in words is "one hundred ninety-six million, five hundred thirty-two thousand, five hundred ninety-three".