571671 has 16 divisors (see below), whose sum is σ = 875520. Its totient is φ = 368280.

The previous prime is 571657. The next prime is 571673. The reversal of 571671 is 176175.

571671 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 571671 - 2¹¹ = 569623 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

571671 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (571673) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 496 + ... + 1178.

It is an arithmetic number, because the mean of its divisors is an integer number (54720).

2⁵⁷¹⁶⁷¹ is an apocalyptic number.

571671 is a deficient number, since it is larger than the sum of its proper divisors (303849).

571671 is a wasteful number, since it uses less digits than its factorization.

571671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 723 (or 717 counting only the distinct ones).

The product of its digits is 1470, while the sum is 27.

The square root of 571671 is about 756.0892804425. The cubic root of 571671 is about 82.9943868077.

It can be divided in two parts, 57 and 1671, that added together give a cube (1728 = 12³).

The spelling of 571671 in words is "five hundred seventy-one thousand, six hundred seventy-one".