83540173 has 2 divisors, whose sum is σ = 83540174. Its totient is φ = 83540172.

The previous prime is 83540167. The next prime is 83540179. The reversal of 83540173 is 37104538.

It is a balanced prime because it is at equal distance from previous prime (83540167) and next prime (83540179).

It can be written as a sum of positive squares in only one way, i.e., 78464164 + 5076009 = 8858^2 + 2253^2 .

It is a cyclic number.

It is not a de Polignac number, because 83540173 - 2⁹ = 83539661 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (83540179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41770086 + 41770087.

It is an arithmetic number, because the mean of its divisors is an integer number (41770087).

Almost surely, 2^83540173 is an apocalyptic number.

It is an amenable number.

83540173 is a deficient number, since it is larger than the sum of its proper divisors (1).

83540173 is an equidigital number, since it uses as much as digits as its factorization.

83540173 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 83540173 is about 9140.0313456793. The cubic root of 83540173 is about 437.1513159713.

The spelling of 83540173 in words is "eighty-three million, five hundred forty thousand, one hundred seventy-three".