83406173 has 2 divisors, whose sum is σ = 83406174. Its totient is φ = 83406172.

The previous prime is 83406161. The next prime is 83406203. The reversal of 83406173 is 37160438.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 78198649 + 5207524 = 8843^2 + 2282^2 .

It is a cyclic number.

It is not a de Polignac number, because 83406173 - 2⁶ = 83406109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (83006173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41703086 + 41703087.

It is an arithmetic number, because the mean of its divisors is an integer number (41703087).

Almost surely, 2^83406173 is an apocalyptic number.

It is an amenable number.

83406173 is a deficient number, since it is larger than the sum of its proper divisors (1).

83406173 is an equidigital number, since it uses as much as digits as its factorization.

83406173 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 83406173 is about 9132.6980131832. The cubic root of 83406173 is about 436.9174579268.

The spelling of 83406173 in words is "eighty-three million, four hundred six thousand, one hundred seventy-three".