213529343 has 2 divisors, whose sum is σ = 213529344. Its totient is φ = 213529342.

The previous prime is 213529321. The next prime is 213529387. The reversal of 213529343 is 343925312.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 213529343 - 2¹⁰ = 213528319 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (213529313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106764671 + 106764672.

It is an arithmetic number, because the mean of its divisors is an integer number (106764672).

Almost surely, 2^213529343 is an apocalyptic number.

213529343 is a deficient number, since it is larger than the sum of its proper divisors (1).

213529343 is an equidigital number, since it uses as much as digits as its factorization.

213529343 is an evil number, because the sum of its binary digits is even.

The product of its digits is 19440, while the sum is 32.

The square root of 213529343 is about 14612.6432584937. The cubic root of 213529343 is about 597.7035765753.

The spelling of 213529343 in words is "two hundred thirteen million, five hundred twenty-nine thousand, three hundred forty-three".