441620563 has 2 divisors, whose sum is σ = 441620564. Its totient is φ = 441620562.

The previous prime is 441620561. The next prime is 441620587. The reversal of 441620563 is 365026144.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 441620563 - 2¹ = 441620561 is a prime.

Together with 441620561, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (441620561) 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, 220810281 + 220810282.

It is an arithmetic number, because the mean of its divisors is an integer number (220810282).

Almost surely, 2^441620563 is an apocalyptic number.

441620563 is a deficient number, since it is larger than the sum of its proper divisors (1).

441620563 is an equidigital number, since it uses as much as digits as its factorization.

441620563 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 441620563 is about 21014.7701153260. The cubic root of 441620563 is about 761.5231244667.

The spelling of 441620563 in words is "four hundred forty-one million, six hundred twenty thousand, five hundred sixty-three".