172753193 has 2 divisors, whose sum is σ = 172753194. Its totient is φ = 172753192.

The previous prime is 172753177. The next prime is 172753219. The reversal of 172753193 is 391357271.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 111788329 + 60964864 = 10573^2 + 7808^2 .

It is an emirp because it is prime and its reverse (391357271) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 172753193 - 2⁴ = 172753177 is a prime.

It is not a weakly prime, because it can be changed into another prime (172753103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86376596 + 86376597.

It is an arithmetic number, because the mean of its divisors is an integer number (86376597).

Almost surely, 2^172753193 is an apocalyptic number.

It is an amenable number.

172753193 is a deficient number, since it is larger than the sum of its proper divisors (1).

172753193 is an equidigital number, since it uses as much as digits as its factorization.

172753193 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 39690, while the sum is 38.

The square root of 172753193 is about 13143.5608949782. The cubic root of 172753193 is about 556.9403640919.

The spelling of 172753193 in words is "one hundred seventy-two million, seven hundred fifty-three thousand, one hundred ninety-three".