451234081 has 2 divisors, whose sum is σ = 451234082. Its totient is φ = 451234080.

The previous prime is 451234057. The next prime is 451234093. The reversal of 451234081 is 180432154.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 404653456 + 46580625 = 20116^2 + 6825^2 .

It is a cyclic number.

It is not a de Polignac number, because 451234081 - 2⁷ = 451233953 is a prime.

It is a super-2 number, since 2×451234081² = 407224391711829122, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (451234001) 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, 225617040 + 225617041.

It is an arithmetic number, because the mean of its divisors is an integer number (225617041).

Almost surely, 2^451234081 is an apocalyptic number.

It is an amenable number.

451234081 is a deficient number, since it is larger than the sum of its proper divisors (1).

451234081 is an equidigital number, since it uses as much as digits as its factorization.

451234081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 451234081 is about 21242.2710885630. The cubic root of 451234081 is about 767.0093025712.

The spelling of 451234081 in words is "four hundred fifty-one million, two hundred thirty-four thousand, eighty-one".