213425343 has 12 divisors (see below), whose sum is σ = 308410128. Its totient is φ = 142224000.

The previous prime is 213425341. The next prime is 213425353. The reversal of 213425343 is 343524312.

It is not a de Polignac number, because 213425343 - 2¹ = 213425341 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213425341) 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 11 ways as a sum of consecutive naturals, for example, 33046 + ... + 38972.

It is an arithmetic number, because the mean of its divisors is an integer number (25700844).

Almost surely, 2^213425343 is an apocalyptic number.

213425343 is a deficient number, since it is larger than the sum of its proper divisors (94984785).

213425343 is a wasteful number, since it uses less digits than its factorization.

213425343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9934 (or 9931 counting only the distinct ones).

The product of its digits is 8640, while the sum is 27.

The square root of 213425343 is about 14609.0842628825. The cubic root of 213425343 is about 597.6065231435.

Adding to 213425343 its reverse (343524312), we get a palindrome (556949655).

The spelling of 213425343 in words is "two hundred thirteen million, four hundred twenty-five thousand, three hundred forty-three".