451320201 has 8 divisors (see below), whose sum is σ = 668622560. Its totient is φ = 300880116.

The previous prime is 451320197. The next prime is 451320223. The reversal of 451320201 is 102023154.

It is not a de Polignac number, because 451320201 - 2² = 451320197 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (451320901) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8357755 + ... + 8357808.

It is an arithmetic number, because the mean of its divisors is an integer number (83577820).

Almost surely, 2^451320201 is an apocalyptic number.

It is an amenable number.

451320201 is a deficient number, since it is larger than the sum of its proper divisors (217302359).

451320201 is a wasteful number, since it uses less digits than its factorization.

451320201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16715572 (or 16715566 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 451320201 is about 21244.2980820737. The cubic root of 451320201 is about 767.0580951617.

Adding to 451320201 its reverse (102023154), we get a palindrome (553343355).

The spelling of 451320201 in words is "four hundred fifty-one million, three hundred twenty thousand, two hundred one".