165713 has 2 divisors, whose sum is σ = 165714. Its totient is φ = 165712.

The previous prime is 165709. The next prime is 165719. The reversal of 165713 is 317561.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 165649 + 64 = 407^2 + 8^2 .

It is a cyclic number.

It is not a de Polignac number, because 165713 - 2² = 165709 is a prime.

It is a plaindrome in base 14.

It is not a weakly prime, because it can be changed into another prime (165719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82856 + 82857.

It is an arithmetic number, because the mean of its divisors is an integer number (82857).

2¹⁶⁵⁷¹³ is an apocalyptic number.

It is an amenable number.

165713 is a deficient number, since it is larger than the sum of its proper divisors (1).

165713 is an equidigital number, since it uses as much as digits as its factorization.

165713 is an evil number, because the sum of its binary digits is even.

The product of its digits is 630, while the sum is 23.

The square root of 165713 is about 407.0786164858. The cubic root of 165713 is about 54.9269553751.

It can be divided in two parts, 165 and 713, that added together give a palindrome (878).

The spelling of 165713 in words is "one hundred sixty-five thousand, seven hundred thirteen".