451284497 has 2 divisors, whose sum is σ = 451284498. Its totient is φ = 451284496.

The previous prime is 451284481. The next prime is 451284511. The reversal of 451284497 is 794482154.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 427703761 + 23580736 = 20681^2 + 4856^2 .

It is a cyclic number.

It is not a de Polignac number, because 451284497 - 2⁴ = 451284481 is a prime.

It is not a weakly prime, because it can be changed into another prime (451284437) 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, 225642248 + 225642249.

It is an arithmetic number, because the mean of its divisors is an integer number (225642249).

Almost surely, 2^451284497 is an apocalyptic number.

It is an amenable number.

451284497 is a deficient number, since it is larger than the sum of its proper divisors (1).

451284497 is an equidigital number, since it uses as much as digits as its factorization.

451284497 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 322560, while the sum is 44.

The square root of 451284497 is about 21243.4577458567. The cubic root of 451284497 is about 767.0378672730.

The spelling of 451284497 in words is "four hundred fifty-one million, two hundred eighty-four thousand, four hundred ninety-seven".