451086985 has 8 divisors (see below), whose sum is σ = 553893120. Its totient is φ = 352477104.

The previous prime is 451086953. The next prime is 451087003. The reversal of 451086985 is 589680154.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 451086985 - 2⁵ = 451086953 is a prime.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 1048825 + ... + 1049254.

It is an arithmetic number, because the mean of its divisors is an integer number (69236640).

Almost surely, 2^451086985 is an apocalyptic number.

It is an amenable number.

451086985 is a deficient number, since it is larger than the sum of its proper divisors (102806135).

451086985 is a wasteful number, since it uses less digits than its factorization.

451086985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2098127.

The product of its (nonzero) digits is 345600, while the sum is 46.

The square root of 451086985 is about 21238.8084646950. The cubic root of 451086985 is about 766.9259487444.

The spelling of 451086985 in words is "four hundred fifty-one million, eighty-six thousand, nine hundred eighty-five".