445533497 has 2 divisors, whose sum is σ = 445533498. Its totient is φ = 445533496.

The previous prime is 445533481. The next prime is 445533521. The reversal of 445533497 is 794335544.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 326199721 + 119333776 = 18061^2 + 10924^2 .

It is a cyclic number.

It is not a de Polignac number, because 445533497 - 2⁴ = 445533481 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (445533197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222766748 + 222766749.

It is an arithmetic number, because the mean of its divisors is an integer number (222766749).

Almost surely, 2^445533497 is an apocalyptic number.

It is an amenable number.

445533497 is a deficient number, since it is larger than the sum of its proper divisors (1).

445533497 is an equidigital number, since it uses as much as digits as its factorization.

445533497 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 907200, while the sum is 44.

The square root of 445533497 is about 21107.6644136674. The cubic root of 445533497 is about 763.7656469196.

The spelling of 445533497 in words is "four hundred forty-five million, five hundred thirty-three thousand, four hundred ninety-seven".