173273153 has 2 divisors, whose sum is σ = 173273154. Its totient is φ = 173273152.

The previous prime is 173273117. The next prime is 173273159. The reversal of 173273153 is 351372371.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 160478224 + 12794929 = 12668^2 + 3577^2 .

It is a cyclic number.

It is not a de Polignac number, because 173273153 - 2¹⁸ = 173011009 is a prime.

It is a super-2 number, since 2×173273153² = 60047171101122818, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (173273159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86636576 + 86636577.

It is an arithmetic number, because the mean of its divisors is an integer number (86636577).

Almost surely, 2^173273153 is an apocalyptic number.

It is an amenable number.

173273153 is a deficient number, since it is larger than the sum of its proper divisors (1).

173273153 is an equidigital number, since it uses as much as digits as its factorization.

173273153 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13230, while the sum is 32.

The square root of 173273153 is about 13163.3260614481. The cubic root of 173273153 is about 557.4985721239.

The spelling of 173273153 in words is "one hundred seventy-three million, two hundred seventy-three thousand, one hundred fifty-three".