453209 has 2 divisors, whose sum is σ = 453210. Its totient is φ = 453208.

The previous prime is 453199. The next prime is 453217. The reversal of 453209 is 902354.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 327184 + 126025 = 572^2 + 355^2 .

It is a cyclic number.

It is not a de Polignac number, because 453209 - 2⁸ = 452953 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (453239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 226604 + 226605.

It is an arithmetic number, because the mean of its divisors is an integer number (226605).

2⁴⁵³²⁰⁹ is an apocalyptic number.

It is an amenable number.

453209 is a deficient number, since it is larger than the sum of its proper divisors (1).

453209 is an equidigital number, since it uses as much as digits as its factorization.

453209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 453209 is about 673.2079916341. The cubic root of 453209 is about 76.8126665487.

The spelling of 453209 in words is "four hundred fifty-three thousand, two hundred nine".