445244563 has 2 divisors, whose sum is σ = 445244564. Its totient is φ = 445244562.

The previous prime is 445244561. The next prime is 445244641. The reversal of 445244563 is 365442544.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 445244563 - 2¹ = 445244561 is a prime.

Together with 445244561, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (445244561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222622281 + 222622282.

It is an arithmetic number, because the mean of its divisors is an integer number (222622282).

Almost surely, 2^445244563 is an apocalyptic number.

445244563 is a deficient number, since it is larger than the sum of its proper divisors (1).

445244563 is an equidigital number, since it uses as much as digits as its factorization.

445244563 is an evil number, because the sum of its binary digits is even.

The product of its digits is 230400, while the sum is 37.

The square root of 445244563 is about 21100.8190125407. The cubic root of 445244563 is about 763.6005073837.

The spelling of 445244563 in words is "four hundred forty-five million, two hundred forty-four thousand, five hundred sixty-three".