450231559 has 2 divisors, whose sum is σ = 450231560. Its totient is φ = 450231558.

The previous prime is 450231539. The next prime is 450231571. The reversal of 450231559 is 955132054.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-450231559 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (450231539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 225115779 + 225115780.

It is an arithmetic number, because the mean of its divisors is an integer number (225115780).

Almost surely, 2^450231559 is an apocalyptic number.

450231559 is a deficient number, since it is larger than the sum of its proper divisors (1).

450231559 is an equidigital number, since it uses as much as digits as its factorization.

450231559 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27000, while the sum is 34.

The square root of 450231559 is about 21218.6606316233. The cubic root of 450231559 is about 766.4408512218.

The spelling of 450231559 in words is "four hundred fifty million, two hundred thirty-one thousand, five hundred fifty-nine".