171513485 has 16 divisors (see below), whose sum is σ = 241799040. Its totient is φ = 115141440.

The previous prime is 171513479. The next prime is 171513487. The reversal of 171513485 is 584315171.

It is not a de Polignac number, because 171513485 - 2⁴ = 171513469 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (171513487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 119225 + ... + 120654.

It is an arithmetic number, because the mean of its divisors is an integer number (15112440).

Almost surely, 2^171513485 is an apocalyptic number.

It is an amenable number.

171513485 is a deficient number, since it is larger than the sum of its proper divisors (70285555).

171513485 is a wasteful number, since it uses less digits than its factorization.

171513485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239908.

The product of its digits is 16800, while the sum is 35.

The square root of 171513485 is about 13096.3157032808. The cubic root of 171513485 is about 555.6049297822.

The spelling of 171513485 in words is "one hundred seventy-one million, five hundred thirteen thousand, four hundred eighty-five".