196535537 has 4 divisors (see below), whose sum is σ = 214402416. Its totient is φ = 178668660.

The previous prime is 196535533. The next prime is 196535539. The reversal of 196535537 is 735535691.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 196535537 - 2² = 196535533 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (196535531) 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, 8933423 + ... + 8933444.

It is an arithmetic number, because the mean of its divisors is an integer number (53600604).

Almost surely, 2^196535537 is an apocalyptic number.

It is an amenable number.

196535537 is a deficient number, since it is larger than the sum of its proper divisors (17866879).

196535537 is a wasteful number, since it uses less digits than its factorization.

196535537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17866878.

The product of its digits is 425250, while the sum is 44.

The square root of 196535537 is about 14019.1132743837. The cubic root of 196535537 is about 581.4071432058.

The spelling of 196535537 in words is "one hundred ninety-six million, five hundred thirty-five thousand, five hundred thirty-seven".