485971 has 4 divisors (see below), whose sum is σ = 487512. Its totient is φ = 484432.

The previous prime is 485959. The next prime is 485977. The reversal of 485971 is 179584.

It is a happy number.

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-485971 is a prime.

It is a Duffinian number.

485971 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (485977) 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 3 ways as a sum of consecutive naturals, for example, 106 + ... + 991.

It is an arithmetic number, because the mean of its divisors is an integer number (121878).

2⁴⁸⁵⁹⁷¹ is an apocalyptic number.

485971 is a deficient number, since it is larger than the sum of its proper divisors (1541).

485971 is a wasteful number, since it uses less digits than its factorization.

485971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1540.

The product of its digits is 10080, while the sum is 34.

The square root of 485971 is about 697.1162026520. The cubic root of 485971 is about 78.6206779783.

It can be divided in two parts, 485 and 971, that multiplied together give a triangular number (470935 = T₉₇₀).

The spelling of 485971 in words is "four hundred eighty-five thousand, nine hundred seventy-one".