171053793 has 6 divisors (see below), whose sum is σ = 247077714. Its totient is φ = 114035856.

The previous prime is 171053791. The next prime is 171053797. The reversal of 171053793 is 397350171.

It can be written as a sum of positive squares in only one way, i.e., 139783329 + 31270464 = 11823^2 + 5592^2 .

It is not a de Polignac number, because 171053793 - 2¹ = 171053791 is a prime.

It is not an unprimeable number, because it can be changed into a prime (171053791) 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 5 ways as a sum of consecutive naturals, for example, 9502980 + ... + 9502997.

It is an arithmetic number, because the mean of its divisors is an integer number (41179619).

Almost surely, 2^171053793 is an apocalyptic number.

It is an amenable number.

171053793 is a deficient number, since it is larger than the sum of its proper divisors (76023921).

171053793 is a wasteful number, since it uses less digits than its factorization.

171053793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19005983 (or 19005980 counting only the distinct ones).

The product of its (nonzero) digits is 19845, while the sum is 36.

The square root of 171053793 is about 13078.7534956509. The cubic root of 171053793 is about 555.1081065280.

The spelling of 171053793 in words is "one hundred seventy-one million, fifty-three thousand, seven hundred ninety-three".