451450001 has 4 divisors (see below), whose sum is σ = 451767792. Its totient is φ = 451132212.

The previous prime is 451449961. The next prime is 451450063. The reversal of 451450001 is 100054154.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-451450001 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (451450091) 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, 156755 + ... + 159608.

It is an arithmetic number, because the mean of its divisors is an integer number (112941948).

Almost surely, 2^451450001 is an apocalyptic number.

It is an amenable number.

451450001 is a deficient number, since it is larger than the sum of its proper divisors (317791).

451450001 is a wasteful number, since it uses less digits than its factorization.

451450001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317790.

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 451450001 is about 21247.3527998196. The cubic root of 451450001 is about 767.1316235917.

The spelling of 451450001 in words is "four hundred fifty-one million, four hundred fifty thousand, one".