451982897 has 2 divisors, whose sum is σ = 451982898. Its totient is φ = 451982896.

The previous prime is 451982857. The next prime is 451982903. The reversal of 451982897 is 798289154.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 451180081 + 802816 = 21241^2 + 896^2 .

It is a cyclic number.

It is not a de Polignac number, because 451982897 - 2¹² = 451978801 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (451982807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 225991448 + 225991449.

It is an arithmetic number, because the mean of its divisors is an integer number (225991449).

Almost surely, 2^451982897 is an apocalyptic number.

It is an amenable number.

451982897 is a deficient number, since it is larger than the sum of its proper divisors (1).

451982897 is an equidigital number, since it uses as much as digits as its factorization.

451982897 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1451520, while the sum is 53.

The square root of 451982897 is about 21259.8893929390. The cubic root of 451982897 is about 767.4333481290.

The spelling of 451982897 in words is "four hundred fifty-one million, nine hundred eighty-two thousand, eight hundred ninety-seven".