450236117 has 2 divisors, whose sum is σ = 450236118. Its totient is φ = 450236116.

The previous prime is 450236081. The next prime is 450236119. The reversal of 450236117 is 711632054.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 440958001 + 9278116 = 20999^2 + 3046^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-450236117 is a prime.

It is a super-2 number, since 2×450236117² = 405425122102475378, which contains 22 as substring.

Together with 450236119, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 450236117.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (450236119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 225118058 + 225118059.

It is an arithmetic number, because the mean of its divisors is an integer number (225118059).

Almost surely, 2^450236117 is an apocalyptic number.

It is an amenable number.

450236117 is a deficient number, since it is larger than the sum of its proper divisors (1).

450236117 is an equidigital number, since it uses as much as digits as its factorization.

450236117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 450236117 is about 21218.7680368112. The cubic root of 450236117 is about 766.4434376136.

The spelling of 450236117 in words is "four hundred fifty million, two hundred thirty-six thousand, one hundred seventeen".