453138211 has 4 divisors (see below), whose sum is σ = 453734424. Its totient is φ = 452542000.

The previous prime is 453138209. The next prime is 453138221. The reversal of 453138211 is 112831354.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 453138211 - 2¹ = 453138209 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 453138211.

It is not an unprimeable number, because it can be changed into a prime (453138221) 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, 296965 + ... + 298486.

It is an arithmetic number, because the mean of its divisors is an integer number (113433606).

Almost surely, 2^453138211 is an apocalyptic number.

453138211 is a deficient number, since it is larger than the sum of its proper divisors (596213).

453138211 is an equidigital number, since it uses as much as digits as its factorization.

453138211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 596212.

The product of its digits is 2880, while the sum is 28.

The square root of 453138211 is about 21287.0432657990. The cubic root of 453138211 is about 768.0866708781.

Adding to 453138211 its reverse (112831354), we get a palindrome (565969565).

The spelling of 453138211 in words is "four hundred fifty-three million, one hundred thirty-eight thousand, two hundred eleven".