451040033 has 2 divisors, whose sum is σ = 451040034. Its totient is φ = 451040032.

The previous prime is 451040021. The next prime is 451040077. The reversal of 451040033 is 330040154.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 310570129 + 140469904 = 17623^2 + 11852^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-451040033 is a prime.

It is a super-2 number, since 2×451040033² = 406874222737282178, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 451039987 and 451040014.

It is not a weakly prime, because it can be changed into another prime (451040533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 225520016 + 225520017.

It is an arithmetic number, because the mean of its divisors is an integer number (225520017).

Almost surely, 2^451040033 is an apocalyptic number.

It is an amenable number.

451040033 is a deficient number, since it is larger than the sum of its proper divisors (1).

451040033 is an equidigital number, since it uses as much as digits as its factorization.

451040033 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 451040033 is about 21237.7031008534. The cubic root of 451040033 is about 766.8993389790.

Adding to 451040033 its reverse (330040154), we get a palindrome (781080187).

The spelling of 451040033 in words is "four hundred fifty-one million, forty thousand, thirty-three".