450115933 has 2 divisors, whose sum is σ = 450115934. Its totient is φ = 450115932.

The previous prime is 450115901. The next prime is 450115973. The reversal of 450115933 is 339511054.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 420988324 + 29127609 = 20518^2 + 5397^2 .

It is a cyclic number.

It is not a de Polignac number, because 450115933 - 2⁵ = 450115901 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 450115895 and 450115904.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (450115973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 225057966 + 225057967.

It is an arithmetic number, because the mean of its divisors is an integer number (225057967).

Almost surely, 2^450115933 is an apocalyptic number.

It is an amenable number.

450115933 is a deficient number, since it is larger than the sum of its proper divisors (1).

450115933 is an equidigital number, since it uses as much as digits as its factorization.

450115933 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8100, while the sum is 31.

The square root of 450115933 is about 21215.9358266375. The cubic root of 450115933 is about 766.3752345589.

Adding to 450115933 its reverse (339511054), we get a palindrome (789626987).

The spelling of 450115933 in words is "four hundred fifty million, one hundred fifteen thousand, nine hundred thirty-three".