196285531 has 4 divisors (see below), whose sum is σ = 211384432. Its totient is φ = 181186632.

The previous prime is 196285511. The next prime is 196285547. The reversal of 196285531 is 135582691.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 196285531 - 2⁵ = 196285499 is a prime.

It is a super-2 number, since 2×196285531² = 77056019359903922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (196285511) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7549431 + ... + 7549456.

It is an arithmetic number, because the mean of its divisors is an integer number (52846108).

Almost surely, 2^196285531 is an apocalyptic number.

196285531 is a deficient number, since it is larger than the sum of its proper divisors (15098901).

196285531 is a wasteful number, since it uses less digits than its factorization.

196285531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15098900.

The product of its digits is 64800, while the sum is 40.

The square root of 196285531 is about 14010.1938244979. The cubic root of 196285531 is about 581.1605093504.

The spelling of 196285531 in words is "one hundred ninety-six million, two hundred eighty-five thousand, five hundred thirty-one".