452689 has 2 divisors, whose sum is σ = 452690. Its totient is φ = 452688.

The previous prime is 452687. The next prime is 452701. The reversal of 452689 is 986254.

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., 286225 + 166464 = 535^2 + 408^2 .

It is a cyclic number.

It is not a de Polignac number, because 452689 - 2¹ = 452687 is a prime.

Together with 452687, it forms a pair of twin primes.

452689 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (452687) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 226344 + 226345.

It is an arithmetic number, because the mean of its divisors is an integer number (226345).

2⁴⁵²⁶⁸⁹ is an apocalyptic number.

It is an amenable number.

452689 is a deficient number, since it is larger than the sum of its proper divisors (1).

452689 is an equidigital number, since it uses as much as digits as its factorization.

452689 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17280, while the sum is 34.

The square root of 452689 is about 672.8216702812. The cubic root of 452689 is about 76.7832776996.

The spelling of 452689 in words is "four hundred fifty-two thousand, six hundred eighty-nine".