83825173 has 2 divisors, whose sum is σ = 83825174. Its totient is φ = 83825172.

The previous prime is 83825153. The next prime is 83825177. The reversal of 83825173 is 37152838.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 69255684 + 14569489 = 8322^2 + 3817^2 .

It is a cyclic number.

It is not a de Polignac number, because 83825173 - 2¹³ = 83816981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (83825177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41912586 + 41912587.

It is an arithmetic number, because the mean of its divisors is an integer number (41912587).

Almost surely, 2^83825173 is an apocalyptic number.

It is an amenable number.

83825173 is a deficient number, since it is larger than the sum of its proper divisors (1).

83825173 is an equidigital number, since it uses as much as digits as its factorization.

83825173 is an evil number, because the sum of its binary digits is even.

The product of its digits is 40320, while the sum is 37.

The square root of 83825173 is about 9155.6088273801. The cubic root of 83825173 is about 437.6478703423.

The spelling of 83825173 in words is "eighty-three million, eight hundred twenty-five thousand, one hundred seventy-three".