385347173 has 2 divisors, whose sum is σ = 385347174. Its totient is φ = 385347172.

The previous prime is 385347167. The next prime is 385347197. The reversal of 385347173 is 371743583.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 364122724 + 21224449 = 19082^2 + 4607^2 .

It is a cyclic number.

It is not a de Polignac number, because 385347173 - 2⁸ = 385346917 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is equal to p_20595983 and since 385347173 and 20595983 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 385347173.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (385347973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 192673586 + 192673587.

It is an arithmetic number, because the mean of its divisors is an integer number (192673587).

Almost surely, 2^385347173 is an apocalyptic number.

It is an amenable number.

385347173 is a deficient number, since it is larger than the sum of its proper divisors (1).

385347173 is an equidigital number, since it uses as much as digits as its factorization.

385347173 is an evil number, because the sum of its binary digits is even.

The product of its digits is 211680, while the sum is 41.

The square root of 385347173 is about 19630.2616640737. The cubic root of 385347173 is about 727.6972366650.

The spelling of 385347173 in words is "three hundred eighty-five million, three hundred forty-seven thousand, one hundred seventy-three".