326000173 has 2 divisors, whose sum is σ = 326000174. Its totient is φ = 326000172.

The previous prime is 326000153. The next prime is 326000189. The reversal of 326000173 is 371000623.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 171793449 + 154206724 = 13107^2 + 12418^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-326000173 is a prime.

It is a super-2 number, since 2×326000173² = 212552225592059858, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (326000113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 163000086 + 163000087.

It is an arithmetic number, because the mean of its divisors is an integer number (163000087).

Almost surely, 2^326000173 is an apocalyptic number.

It is an amenable number.

326000173 is a deficient number, since it is larger than the sum of its proper divisors (1).

326000173 is an equidigital number, since it uses as much as digits as its factorization.

326000173 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 756, while the sum is 22.

The square root of 326000173 is about 18055.4748760591. The cubic root of 326000173 is about 688.2389967915.

Adding to 326000173 its reverse (371000623), we get a palindrome (697000796).

The spelling of 326000173 in words is "three hundred twenty-six million, one hundred seventy-three", and thus it is an aban number.