83133173 has 2 divisors, whose sum is σ = 83133174. Its totient is φ = 83133172.

The previous prime is 83133139. The next prime is 83133181. The reversal of 83133173 is 37133138.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 72880369 + 10252804 = 8537^2 + 3202^2 .

It is a cyclic number.

It is not a de Polignac number, because 83133173 - 2¹² = 83129077 is a prime.

It is a super-2 number, since 2×83133173² = 13822248906095858, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (83133133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41566586 + 41566587.

It is an arithmetic number, because the mean of its divisors is an integer number (41566587).

Almost surely, 2^83133173 is an apocalyptic number.

It is an amenable number.

83133173 is a deficient number, since it is larger than the sum of its proper divisors (1).

83133173 is an equidigital number, since it uses as much as digits as its factorization.

83133173 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4536, while the sum is 29.

The square root of 83133173 is about 9117.7394676532. The cubic root of 83133173 is about 436.4402396858.

The spelling of 83133173 in words is "eighty-three million, one hundred thirty-three thousand, one hundred seventy-three".