169249 has 2 divisors, whose sum is σ = 169250. Its totient is φ = 169248.

The previous prime is 169243. The next prime is 169259. The reversal of 169249 is 942961.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 165649 + 3600 = 407^2 + 60^2 .

It is a cyclic number.

It is not a de Polignac number, because 169249 - 2³ = 169241 is a prime.

It is a Chen prime.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 169249.

It is not a weakly prime, because it can be changed into another prime (169241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 84624 + 84625.

It is an arithmetic number, because the mean of its divisors is an integer number (84625).

2¹⁶⁹²⁴⁹ is an apocalyptic number.

It is an amenable number.

169249 is a deficient number, since it is larger than the sum of its proper divisors (1).

169249 is an equidigital number, since it uses as much as digits as its factorization.

169249 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3888, while the sum is 31.

The square root of 169249 is about 411.3988332507. The cubic root of 169249 is about 55.3148879665.

The spelling of 169249 in words is "one hundred sixty-nine thousand, two hundred forty-nine".