451324849 has 2 divisors, whose sum is σ = 451324850. Its totient is φ = 451324848.

The previous prime is 451324829. The next prime is 451324871. The reversal of 451324849 is 948423154.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 332405824 + 118919025 = 18232^2 + 10905^2 .

It is a cyclic number.

It is not a de Polignac number, because 451324849 - 2²⁵ = 417770417 is a prime.

It is not a weakly prime, because it can be changed into another prime (451324829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 225662424 + 225662425.

It is an arithmetic number, because the mean of its divisors is an integer number (225662425).

Almost surely, 2^451324849 is an apocalyptic number.

It is an amenable number.

451324849 is a deficient number, since it is larger than the sum of its proper divisors (1).

451324849 is an equidigital number, since it uses as much as digits as its factorization.

451324849 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 138240, while the sum is 40.

The square root of 451324849 is about 21244.4074758511. The cubic root of 451324849 is about 767.0607283800.

The spelling of 451324849 in words is "four hundred fifty-one million, three hundred twenty-four thousand, eight hundred forty-nine".