445205533 has 2 divisors, whose sum is σ = 445205534. Its totient is φ = 445205532.

The previous prime is 445205483. The next prime is 445205543. The reversal of 445205533 is 335502544.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 395333689 + 49871844 = 19883^2 + 7062^2 .

It is a cyclic number.

It is not a de Polignac number, because 445205533 - 2²¹ = 443108381 is a prime.

It is a super-2 number, since 2×445205533² = 396415933227628178, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 445205495 and 445205504.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (445205543) 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, 222602766 + 222602767.

It is an arithmetic number, because the mean of its divisors is an integer number (222602767).

Almost surely, 2^445205533 is an apocalyptic number.

It is an amenable number.

445205533 is a deficient number, since it is larger than the sum of its proper divisors (1).

445205533 is an equidigital number, since it uses as much as digits as its factorization.

445205533 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36000, while the sum is 31.

The square root of 445205533 is about 21099.8941466539. The cubic root of 445205533 is about 763.5781944040.

The spelling of 445205533 in words is "four hundred forty-five million, two hundred five thousand, five hundred thirty-three".