445512073 has 2 divisors, whose sum is σ = 445512074. Its totient is φ = 445512072.

The previous prime is 445512049. The next prime is 445512083. The reversal of 445512073 is 370215544.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 317980224 + 127531849 = 17832^2 + 11293^2 .

It is a cyclic number.

It is not a de Polignac number, because 445512073 - 2²⁵ = 411957641 is a prime.

It is not a weakly prime, because it can be changed into another prime (445512083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222756036 + 222756037.

It is an arithmetic number, because the mean of its divisors is an integer number (222756037).

Almost surely, 2^445512073 is an apocalyptic number.

It is an amenable number.

445512073 is a deficient number, since it is larger than the sum of its proper divisors (1).

445512073 is an equidigital number, since it uses as much as digits as its factorization.

445512073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16800, while the sum is 31.

The square root of 445512073 is about 21107.1569141843. The cubic root of 445512073 is about 763.7534045348.

The spelling of 445512073 in words is "four hundred forty-five million, five hundred twelve thousand, seventy-three".