451424213 has 4 divisors (see below), whose sum is σ = 454127520. Its totient is φ = 448720908.

The previous prime is 451424147. The next prime is 451424261. The reversal of 451424213 is 312424154.

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 not a de Polignac number, because 451424213 - 2¹⁸ = 451162069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (451424293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1351403 + ... + 1351736.

It is an arithmetic number, because the mean of its divisors is an integer number (113531880).

Almost surely, 2^451424213 is an apocalyptic number.

It is an amenable number.

451424213 is a deficient number, since it is larger than the sum of its proper divisors (2703307).

451424213 is a wasteful number, since it uses less digits than its factorization.

451424213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2703306.

The product of its digits is 3840, while the sum is 26.

The square root of 451424213 is about 21246.7459390844. The cubic root of 451424213 is about 767.1170164614.

Adding to 451424213 its reverse (312424154), we get a palindrome (763848367).

The spelling of 451424213 in words is "four hundred fifty-one million, four hundred twenty-four thousand, two hundred thirteen".