450153409 has 2 divisors, whose sum is σ = 450153410. Its totient is φ = 450153408.

The previous prime is 450153373. The next prime is 450153413. The reversal of 450153409 is 904351054.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 393903409 + 56250000 = 19847^2 + 7500^2 .

It is a cyclic number.

It is not a de Polignac number, because 450153409 - 2¹³ = 450145217 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (450153469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 225076704 + 225076705.

It is an arithmetic number, because the mean of its divisors is an integer number (225076705).

Almost surely, 2^450153409 is an apocalyptic number.

It is an amenable number.

450153409 is a deficient number, since it is larger than the sum of its proper divisors (1).

450153409 is an equidigital number, since it uses as much as digits as its factorization.

450153409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 450153409 is about 21216.8190122836. The cubic root of 450153409 is about 766.3965030656.

The spelling of 450153409 in words is "four hundred fifty million, one hundred fifty-three thousand, four hundred nine".