172273063 has 2 divisors, whose sum is σ = 172273064. Its totient is φ = 172273062.

The previous prime is 172273061. The next prime is 172273069. The reversal of 172273063 is 360372271.

172273063 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 172273063 - 2¹ = 172273061 is a prime.

Together with 172273061, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (172273061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86136531 + 86136532.

It is an arithmetic number, because the mean of its divisors is an integer number (86136532).

Almost surely, 2^172273063 is an apocalyptic number.

172273063 is a deficient number, since it is larger than the sum of its proper divisors (1).

172273063 is an equidigital number, since it uses as much as digits as its factorization.

172273063 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10584, while the sum is 31.

The square root of 172273063 is about 13125.2833493224. The cubic root of 172273063 is about 556.4239203997.

The spelling of 172273063 in words is "one hundred seventy-two million, two hundred seventy-three thousand, sixty-three".