451534213 has 8 divisors (see below), whose sum is σ = 486439128. Its totient is φ = 416653824.

The previous prime is 451534211. The next prime is 451534231. The reversal of 451534213 is 312435154.

It can be written as a sum of positive squares in 4 ways, for example, as 150234049 + 301300164 = 12257^2 + 17358^2 .

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 451534213 - 2¹ = 451534211 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 (451534211) 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 7 ways as a sum of consecutive naturals, for example, 54045 + ... + 61837.

It is an arithmetic number, because the mean of its divisors is an integer number (60804891).

Almost surely, 2^451534213 is an apocalyptic number.

It is an amenable number.

451534213 is a deficient number, since it is larger than the sum of its proper divisors (34904915).

451534213 is a wasteful number, since it uses less digits than its factorization.

451534213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12263.

The product of its digits is 7200, while the sum is 28.

The square root of 451534213 is about 21249.3344131057. The cubic root of 451534213 is about 767.1793200304.

Adding to 451534213 its reverse (312435154), we get a palindrome (763969367).

The spelling of 451534213 in words is "four hundred fifty-one million, five hundred thirty-four thousand, two hundred thirteen".