450452251 has 2 divisors, whose sum is σ = 450452252. Its totient is φ = 450452250.

The previous prime is 450452173. The next prime is 450452257. The reversal of 450452251 is 152254054.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-450452251 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (450452257) 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, 225226125 + 225226126.

It is an arithmetic number, because the mean of its divisors is an integer number (225226126).

Almost surely, 2^450452251 is an apocalyptic number.

450452251 is a deficient number, since it is larger than the sum of its proper divisors (1).

450452251 is an equidigital number, since it uses as much as digits as its factorization.

450452251 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8000, while the sum is 28.

The square root of 450452251 is about 21223.8604169929. The cubic root of 450452251 is about 766.5660606696.

The spelling of 450452251 in words is "four hundred fifty million, four hundred fifty-two thousand, two hundred fifty-one".