83213441 has 4 divisors (see below), whose sum is σ = 86082900. Its totient is φ = 80343984.

The previous prime is 83213437. The next prime is 83213467. The reversal of 83213441 is 14431238.

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 38390416 + 44823025 = 6196^2 + 6695^2 .

It is a cyclic number.

It is not a de Polignac number, because 83213441 - 2² = 83213437 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 83213441.

It is not an unprimeable number, because it can be changed into a prime (83210441) 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, 1434686 + ... + 1434743.

It is an arithmetic number, because the mean of its divisors is an integer number (21520725).

Almost surely, 2^83213441 is an apocalyptic number.

It is an amenable number.

83213441 is a deficient number, since it is larger than the sum of its proper divisors (2869459).

83213441 is a wasteful number, since it uses less digits than its factorization.

83213441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2869458.

The product of its digits is 2304, while the sum is 26.

The square root of 83213441 is about 9122.1401545909. The cubic root of 83213441 is about 436.5806606313.

Adding to 83213441 its reverse (14431238), we get a palindrome (97644679).

The spelling of 83213441 in words is "eighty-three million, two hundred thirteen thousand, four hundred forty-one".