451680001 has 4 divisors (see below), whose sum is σ = 452818132. Its totient is φ = 450541872.

The previous prime is 451679999. The next prime is 451680077. The reversal of 451680001 is 100086154.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 310640625 + 141039376 = 17625^2 + 11876^2 .

It is a cyclic number.

It is not a de Polignac number, because 451680001 - 2¹ = 451679999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (451680101) 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 in 3 ways as a sum of consecutive naturals, for example, 568470 + ... + 569263.

It is an arithmetic number, because the mean of its divisors is an integer number (113204533).

Almost surely, 2^451680001 is an apocalyptic number.

It is an amenable number.

451680001 is a deficient number, since it is larger than the sum of its proper divisors (1138131).

451680001 is a wasteful number, since it uses less digits than its factorization.

451680001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1138130.

The product of its (nonzero) digits is 960, while the sum is 25.

The square root of 451680001 is about 21252.7645495827. The cubic root of 451680001 is about 767.2618781920.

The spelling of 451680001 in words is "four hundred fifty-one million, six hundred eighty thousand, one".