452462581 has 2 divisors, whose sum is σ = 452462582. Its totient is φ = 452462580.

The previous prime is 452462579. The next prime is 452462609. The reversal of 452462581 is 185264254.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 433014481 + 19448100 = 20809^2 + 4410^2 .

It is a cyclic number.

It is not a de Polignac number, because 452462581 - 2¹ = 452462579 is a prime.

It is a super-2 number, since 2×452462581² = 409444774410363122, which contains 22 as substring.

Together with 452462579, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 452462581.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (452462501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 226231290 + 226231291.

It is an arithmetic number, because the mean of its divisors is an integer number (226231291).

Almost surely, 2^452462581 is an apocalyptic number.

It is an amenable number.

452462581 is a deficient number, since it is larger than the sum of its proper divisors (1).

452462581 is an equidigital number, since it uses as much as digits as its factorization.

452462581 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 76800, while the sum is 37.

The square root of 452462581 is about 21271.1678334783. The cubic root of 452462581 is about 767.7047413966.

The spelling of 452462581 in words is "four hundred fifty-two million, four hundred sixty-two thousand, five hundred eighty-one".