450533449 has 2 divisors, whose sum is σ = 450533450. Its totient is φ = 450533448.

The previous prime is 450533429. The next prime is 450533459. The reversal of 450533449 is 944335054.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 448084224 + 2449225 = 21168^2 + 1565^2 .

It is a cyclic number.

It is not a de Polignac number, because 450533449 - 2⁵ = 450533417 is a prime.

It is not a weakly prime, because it can be changed into another prime (450533429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 225266724 + 225266725.

It is an arithmetic number, because the mean of its divisors is an integer number (225266725).

Almost surely, 2^450533449 is an apocalyptic number.

It is an amenable number.

450533449 is a deficient number, since it is larger than the sum of its proper divisors (1).

450533449 is an equidigital number, since it uses as much as digits as its factorization.

450533449 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 129600, while the sum is 37.

The square root of 450533449 is about 21225.7732250206. The cubic root of 450533449 is about 766.6121180051.

The spelling of 450533449 in words is "four hundred fifty million, five hundred thirty-three thousand, four hundred forty-nine".