213315543 has 12 divisors (see below), whose sum is σ = 352140048. Its totient is φ = 121894560.

The previous prime is 213315511. The next prime is 213315569. The reversal of 213315543 is 345513312.

It is not a de Polignac number, because 213315543 - 2⁵ = 213315511 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213315143) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1692918 + ... + 1693043.

It is an arithmetic number, because the mean of its divisors is an integer number (29345004).

Almost surely, 2^213315543 is an apocalyptic number.

213315543 is a deficient number, since it is larger than the sum of its proper divisors (138824505).

213315543 is a wasteful number, since it uses less digits than its factorization.

213315543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3385974 (or 3385971 counting only the distinct ones).

The product of its digits is 5400, while the sum is 27.

The square root of 213315543 is about 14605.3258436777. The cubic root of 213315543 is about 597.5040228950.

Adding to 213315543 its reverse (345513312), we get a palindrome (558828855).

The spelling of 213315543 in words is "two hundred thirteen million, three hundred fifteen thousand, five hundred forty-three".