169501 has 2 divisors, whose sum is σ = 169502. Its totient is φ = 169500.

The previous prime is 169493. The next prime is 169523. The reversal of 169501 is 105961.

169501 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (169523) can be obtained adding 169501 to its sum of digits (22).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 164025 + 5476 = 405^2 + 74^2 .

It is a cyclic number.

It is not a de Polignac number, because 169501 - 2³ = 169493 is a prime.

It is a Chen prime.

It is a nialpdrome in base 12.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (169531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 84750 + 84751.

It is an arithmetic number, because the mean of its divisors is an integer number (84751).

2¹⁶⁹⁵⁰¹ is an apocalyptic number.

It is an amenable number.

169501 is a deficient number, since it is larger than the sum of its proper divisors (1).

169501 is an equidigital number, since it uses as much as digits as its factorization.

169501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 270, while the sum is 22.

The square root of 169501 is about 411.7049914684. The cubic root of 169501 is about 55.3423276939.

The spelling of 169501 in words is "one hundred sixty-nine thousand, five hundred one".