452989 has 2 divisors, whose sum is σ = 452990.
Its totient is φ = 452988.
The previous prime is 452983. The next prime is 453023. The reversal of 452989 is 989254.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 444889 + 8100 = 667^2 + 90^2
It is a cyclic number.
It is not a de Polignac number, because 452989 - 25 = 452957 is a prime.
It is an alternating number because its digits alternate between even and odd.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (452983) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 226494 + 226495.
It is an arithmetic number, because the mean of its divisors is an integer number (226495).
2452989 is an apocalyptic number.
It is an amenable number.
452989 is a deficient number, since it is larger than the sum of its proper divisors (1).
452989 is an equidigital number, since it uses as much as digits as its factorization.
452989 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 25920, while the sum is 37.
The square root of 452989 is about 673.0445750469.
The cubic root of 452989 is about 76.8002355498.
It can be divided in two parts, 452 and 989, that added together give a palindrome (1441).
The spelling of 452989 in words is "four hundred fifty-two thousand, nine hundred eighty-nine".