452400213 has 4 divisors (see below), whose sum is σ = 603200288. Its totient is φ = 301600140.

The previous prime is 452400187. The next prime is 452400227. The reversal of 452400213 is 312004254.

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 not a de Polignac number, because 452400213 - 2¹² = 452396117 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 452400213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (452400233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75400033 + ... + 75400038.

It is an arithmetic number, because the mean of its divisors is an integer number (150800072).

Almost surely, 2^452400213 is an apocalyptic number.

It is an amenable number.

452400213 is a deficient number, since it is larger than the sum of its proper divisors (150800075).

452400213 is a wasteful number, since it uses less digits than its factorization.

452400213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150800074.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 452400213 is about 21269.7017609557. The cubic root of 452400213 is about 767.6694659864.

Adding to 452400213 its reverse (312004254), we get a palindrome (764404467).

The spelling of 452400213 in words is "four hundred fifty-two million, four hundred thousand, two hundred thirteen".