171083489 has 4 divisors (see below), whose sum is σ = 171233280. Its totient is φ = 170933700.

The previous prime is 171083483. The next prime is 171083503. The reversal of 171083489 is 984380171.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-171083489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (171083483) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73169 + ... + 75470.

It is an arithmetic number, because the mean of its divisors is an integer number (42808320).

Almost surely, 2^171083489 is an apocalyptic number.

It is an amenable number.

171083489 is a deficient number, since it is larger than the sum of its proper divisors (149791).

171083489 is a wasteful number, since it uses less digits than its factorization.

171083489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149790.

The product of its (nonzero) digits is 48384, while the sum is 41.

The square root of 171083489 is about 13079.8887227682. Note that the first 3 decimals coincide. The cubic root of 171083489 is about 555.1402280733.

The spelling of 171083489 in words is "one hundred seventy-one million, eighty-three thousand, four hundred eighty-nine".