83353573 has 4 divisors (see below), whose sum is σ = 84290220. Its totient is φ = 82416928.

The previous prime is 83353507. The next prime is 83353619. The reversal of 83353573 is 37535338.

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 40934404 + 42419169 = 6398^2 + 6513^2 .

It is a cyclic number.

It is not a de Polignac number, because 83353573 - 2²¹ = 81256421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83353973) 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, 468190 + ... + 468367.

It is an arithmetic number, because the mean of its divisors is an integer number (21072555).

Almost surely, 2^83353573 is an apocalyptic number.

It is an amenable number.

83353573 is a deficient number, since it is larger than the sum of its proper divisors (936647).

83353573 is an equidigital number, since it uses as much as digits as its factorization.

83353573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 936646.

The product of its digits is 113400, while the sum is 37.

The square root of 83353573 is about 9129.8177966485. The cubic root of 83353573 is about 436.8255914605.

The spelling of 83353573 in words is "eighty-three million, three hundred fifty-three thousand, five hundred seventy-three".