83197133 has 4 divisors (see below), whose sum is σ = 88091100. Its totient is φ = 78303168.

The previous prime is 83197129. The next prime is 83197243. The reversal of 83197133 is 33179138.

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

It can be written as a sum of positive squares in 2 ways, for example, as 36929929 + 46267204 = 6077^2 + 6802^2 .

It is a cyclic number.

It is not a de Polignac number, because 83197133 - 2² = 83197129 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 83197093 and 83197102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83193133) 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, 2446958 + ... + 2446991.

It is an arithmetic number, because the mean of its divisors is an integer number (22022775).

Almost surely, 2^83197133 is an apocalyptic number.

It is an amenable number.

83197133 is a deficient number, since it is larger than the sum of its proper divisors (4893967).

83197133 is a wasteful number, since it uses less digits than its factorization.

83197133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4893966.

The product of its digits is 13608, while the sum is 35.

The square root of 83197133 is about 9121.2462416054. The cubic root of 83197133 is about 436.5521387063.

The spelling of 83197133 in words is "eighty-three million, one hundred ninety-seven thousand, one hundred thirty-three".