453509 has 16 divisors (see below), whose sum is σ = 569088. Its totient is φ = 352512.

The previous prime is 453461. The next prime is 453527. The reversal of 453509 is 905354.

It is not a de Polignac number, because 453509 - 2¹⁶ = 387973 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (453559) 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 in 15 ways as a sum of consecutive naturals, for example, 4352 + ... + 4454.

It is an arithmetic number, because the mean of its divisors is an integer number (35568).

2⁴⁵³⁵⁰⁹ is an apocalyptic number.

It is an amenable number.

453509 is a deficient number, since it is larger than the sum of its proper divisors (115579).

453509 is a wasteful number, since it uses less digits than its factorization.

453509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164.

The product of its (nonzero) digits is 2700, while the sum is 26.

The square root of 453509 is about 673.4307685278. The cubic root of 453509 is about 76.8296114293.

The spelling of 453509 in words is "four hundred fifty-three thousand, five hundred nine".