83331361 has 4 divisors (see below), whose sum is σ = 83862292. Its totient is φ = 82800432.

The previous prime is 83331349. The next prime is 83331371. The reversal of 83331361 is 16313338.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 16313338 = 2 ⋅8156669.

It can be written as a sum of positive squares in 2 ways, for example, as 30041361 + 53290000 = 5481^2 + 7300^2 .

It is a cyclic number.

It is not a de Polignac number, because 83331361 - 2⁷ = 83331233 is a prime.

It is a super-2 number, since 2×83331361² = 13888231452224642, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83331301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 265230 + ... + 265543.

It is an arithmetic number, because the mean of its divisors is an integer number (20965573).

Almost surely, 2^83331361 is an apocalyptic number.

It is an amenable number.

83331361 is a deficient number, since it is larger than the sum of its proper divisors (530931).

83331361 is a wasteful number, since it uses less digits than its factorization.

83331361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 530930.

The product of its digits is 3888, while the sum is 28.

The square root of 83331361 is about 9128.6012619678. The cubic root of 83331361 is about 436.7867863572.

Adding to 83331361 its reverse (16313338), we get a palindrome (99644699).

The spelling of 83331361 in words is "eighty-three million, three hundred thirty-one thousand, three hundred sixty-one".