426530213 has 4 divisors (see below), whose sum is σ = 427124160. Its totient is φ = 425936268.

The previous prime is 426530207. The next prime is 426530219. The reversal of 426530213 is 312035624.

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 an interprime number because it is at equal distance from previous prime (426530207) and next prime (426530219).

It is a cyclic number.

It is not a de Polignac number, because 426530213 - 2⁴ = 426530197 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (426530219) 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, 295895 + ... + 297332.

It is an arithmetic number, because the mean of its divisors is an integer number (106781040).

Almost surely, 2^426530213 is an apocalyptic number.

It is an amenable number.

426530213 is a deficient number, since it is larger than the sum of its proper divisors (593947).

426530213 is an equidigital number, since it uses as much as digits as its factorization.

426530213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 593946.

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 426530213 is about 20652.6078982776. The cubic root of 426530213 is about 752.7485596624.

Adding to 426530213 its reverse (312035624), we get a palindrome (738565837).

The spelling of 426530213 in words is "four hundred twenty-six million, five hundred thirty thousand, two hundred thirteen".