171015485 has 16 divisors (see below), whose sum is σ = 216816960. Its totient is φ = 129133440.

The previous prime is 171015457. The next prime is 171015491. The reversal of 171015485 is 584510171.

It is not a de Polignac number, because 171015485 - 2¹⁰ = 171014461 is a prime.

It is a super-5 number, since 5×171015485⁵ (a number of 42 digits) contains 55555 as substring. Note that it is a super-d number also for d = 2.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23705 + ... + 30065.

It is an arithmetic number, because the mean of its divisors is an integer number (13551060).

Almost surely, 2^171015485 is an apocalyptic number.

It is an amenable number.

171015485 is a deficient number, since it is larger than the sum of its proper divisors (45801475).

171015485 is a wasteful number, since it uses less digits than its factorization.

171015485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6668.

The product of its (nonzero) digits is 5600, while the sum is 32.

The square root of 171015485 is about 13077.2889009917. The cubic root of 171015485 is about 555.0666640698.

The spelling of 171015485 in words is "one hundred seventy-one million, fifteen thousand, four hundred eighty-five".