173286113 has 32 divisors (see below), whose sum is σ = 233812992. Its totient is φ = 124027200.

The previous prime is 173286109. The next prime is 173286119. The reversal of 173286113 is 311682371.

Added to its reverse (311682371) it gives a square (484968484 = 22022²).

It is not a de Polignac number, because 173286113 - 2² = 173286109 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 173286113.

It is not an unprimeable number, because it can be changed into a prime (173286119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 331070 + ... + 331592.

It is an arithmetic number, because the mean of its divisors is an integer number (7306656).

Almost surely, 2^173286113 is an apocalyptic number.

173286113 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

173286113 is a deficient number, since it is larger than the sum of its proper divisors (60526879).

173286113 is a wasteful number, since it uses less digits than its factorization.

173286113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 885.

The product of its digits is 6048, while the sum is 32.

The square root of 173286113 is about 13163.8183290412. The cubic root of 173286113 is about 557.5124711830.

Adding to 173286113 its reverse (311682371), we get a square (484968484 = 22022²).

The spelling of 173286113 in words is "one hundred seventy-three million, two hundred eighty-six thousand, one hundred thirteen".