453709 has 2 divisors, whose sum is σ = 453710. Its totient is φ = 453708.

The previous prime is 453707. The next prime is 453737. The reversal of 453709 is 907354.

453709 is nontrivially palindromic in base 14.

It is an a-pointer prime, because the next prime (453737) can be obtained adding 453709 to its sum of digits (28).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 275625 + 178084 = 525^2 + 422^2 .

It is a cyclic number.

It is not a de Polignac number, because 453709 - 2¹ = 453707 is a prime.

Together with 453707, it forms a pair of twin primes.

It is a Chen prime.

453709 is a lucky number.

It is equal to p₃₇₉₉₀ and since 453709 and 37990 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (453703) 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, 226854 + 226855.

It is an arithmetic number, because the mean of its divisors is an integer number (226855).

2⁴⁵³⁷⁰⁹ is an apocalyptic number.

It is an amenable number.

453709 is a deficient number, since it is larger than the sum of its proper divisors (1).

453709 is an equidigital number, since it uses as much as digits as its factorization.

453709 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3780, while the sum is 28.

The square root of 453709 is about 673.5792455235. The cubic root of 453709 is about 76.8409038653.

The spelling of 453709 in words is "four hundred fifty-three thousand, seven hundred nine".