711161 has 8 divisors (see below), whose sum is σ = 821664. Its totient is φ = 608320.

The previous prime is 711143. The next prime is 711163. The reversal of 711161 is 161117.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 711161 - 2⁶ = 711097 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (711163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1715 + ... + 2088.

It is an arithmetic number, because the mean of its divisors is an integer number (102708).

2⁷¹¹¹⁶¹ is an apocalyptic number.

It is an amenable number.

711161 is a deficient number, since it is larger than the sum of its proper divisors (110503).

711161 is a wasteful number, since it uses less digits than its factorization.

711161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3831.

The product of its digits is 42, while the sum is 17.

The square root of 711161 is about 843.3036226651. The cubic root of 711161 is about 89.2598139579.

Adding to 711161 its reverse (161117), we get a palindrome (872278).

It can be divided in two parts, 71116 and 1, that added together give a palindrome (71117).

The spelling of 711161 in words is "seven hundred eleven thousand, one hundred sixty-one".