543215412 has 72 divisors (see below), whose sum is σ = 1400870016. Its totient is φ = 177450624.

The previous prime is 543215383. The next prime is 543215459. The reversal of 543215412 is 214512345.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 408693 + ... + 410019.

It is an arithmetic number, because the mean of its divisors is an integer number (19456528).

Almost surely, 2^543215412 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 543215412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (700435008).

543215412 is an abundant number, since it is smaller than the sum of its proper divisors (857654604).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

543215412 is a wasteful number, since it uses less digits than its factorization.

543215412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1557 (or 1552 counting only the distinct ones).

The product of its digits is 4800, while the sum is 27.

The square root of 543215412 is about 23306.9820440142. The cubic root of 543215412 is about 815.9383784205.

Adding to 543215412 its reverse (214512345), we get a palindrome (757727757).

The spelling of 543215412 in words is "five hundred forty-three million, two hundred fifteen thousand, four hundred twelve".