445633 has 2 divisors, whose sum is σ = 445634. Its totient is φ = 445632.

The previous prime is 445631. The next prime is 445649. The reversal of 445633 is 336544.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 400689 + 44944 = 633^2 + 212^2 .

It is a cyclic number.

It is not a de Polignac number, because 445633 - 2¹ = 445631 is a prime.

Together with 445631, it forms a pair of twin primes.

It is a d-powerful number, because it can be written as 4⁵ + 4⁹ + 6 + 5⁵ + 3⁷ + 3¹¹ .

It is a junction number, because it is equal to n+sod(n) for n = 445598 and 445607.

It is not a weakly prime, because it can be changed into another prime (445631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222816 + 222817.

It is an arithmetic number, because the mean of its divisors is an integer number (222817).

2⁴⁴⁵⁶³³ is an apocalyptic number.

It is an amenable number.

445633 is a deficient number, since it is larger than the sum of its proper divisors (1).

445633 is an equidigital number, since it uses as much as digits as its factorization.

445633 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4320, while the sum is 25.

The square root of 445633 is about 667.5574881611. The cubic root of 445633 is about 76.3822501093.

It can be divided in two parts, 4456 and 33, that added together give a square (4489 = 67²).

The spelling of 445633 in words is "four hundred forty-five thousand, six hundred thirty-three".