450013049 has 2 divisors, whose sum is σ = 450013050. Its totient is φ = 450013048.

The previous prime is 450013037. The next prime is 450013051. The reversal of 450013049 is 940310054.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 449440000 + 573049 = 21200^2 + 757^2 .

It is a cyclic number.

It is not a de Polignac number, because 450013049 - 2²⁸ = 181577593 is a prime.

Together with 450013051, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (450013349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 225006524 + 225006525.

It is an arithmetic number, because the mean of its divisors is an integer number (225006525).

Almost surely, 2^450013049 is an apocalyptic number.

It is an amenable number.

450013049 is a deficient number, since it is larger than the sum of its proper divisors (1).

450013049 is an equidigital number, since it uses as much as digits as its factorization.

450013049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 450013049 is about 21213.5110012464. The cubic root of 450013049 is about 766.3168394122.

The spelling of 450013049 in words is "four hundred fifty million, thirteen thousand, forty-nine".