492171 has 4 divisors (see below), whose sum is σ = 656232. Its totient is φ = 328112.

The previous prime is 492113. The next prime is 492227. The reversal of 492171 is 171294.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-492171 is a prime.

It is a D-number.

It is a nialpdrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (492671) 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, 82026 + ... + 82031.

It is an arithmetic number, because the mean of its divisors is an integer number (164058).

2⁴⁹²¹⁷¹ is an apocalyptic number.

492171 is a deficient number, since it is larger than the sum of its proper divisors (164061).

492171 is a wasteful number, since it uses less digits than its factorization.

492171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164060.

The product of its digits is 504, while the sum is 24.

The square root of 492171 is about 701.5490004269. The cubic root of 492171 is about 78.9536126757.

The spelling of 492171 in words is "four hundred ninety-two thousand, one hundred seventy-one".