450248129 has 2 divisors, whose sum is σ = 450248130. Its totient is φ = 450248128.

The previous prime is 450248087. The next prime is 450248167. The reversal of 450248129 is 921842054.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 447237904 + 3010225 = 21148^2 + 1735^2 .

It is a cyclic number.

It is not a de Polignac number, because 450248129 - 2¹² = 450244033 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (450268129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 225124064 + 225124065.

It is an arithmetic number, because the mean of its divisors is an integer number (225124065).

Almost surely, 2^450248129 is an apocalyptic number.

It is an amenable number.

450248129 is a deficient number, since it is larger than the sum of its proper divisors (1).

450248129 is an equidigital number, since it uses as much as digits as its factorization.

450248129 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23040, while the sum is 35.

The square root of 450248129 is about 21219.0510862291. The cubic root of 450248129 is about 766.4502536199.

The spelling of 450248129 in words is "four hundred fifty million, two hundred forty-eight thousand, one hundred twenty-nine".