671411 has 4 divisors (see below), whose sum is σ = 723072. Its totient is φ = 619752.

The previous prime is 671401. The next prime is 671417. The reversal of 671411 is 114176.

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

It is a cyclic number.

It is not a de Polignac number, because 671411 - 2¹⁸ = 409267 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (671417) 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, 25811 + ... + 25836.

It is an arithmetic number, because the mean of its divisors is an integer number (180768).

2⁶⁷¹⁴¹¹ is an apocalyptic number.

671411 is a deficient number, since it is larger than the sum of its proper divisors (51661).

671411 is a wasteful number, since it uses less digits than its factorization.

671411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51660.

The product of its digits is 168, while the sum is 20.

The square root of 671411 is about 819.3967293076. The cubic root of 671411 is about 87.5647846749.

Adding to 671411 its reverse (114176), we get a palindrome (785587).

It can be divided in two parts, 6 and 71411, that added together give a palindrome (71417).

The spelling of 671411 in words is "six hundred seventy-one thousand, four hundred eleven".