543240434 has 16 divisors (see below), whose sum is σ = 889871616. Its totient is φ = 246668400.

The previous prime is 543240433. The next prime is 543240443. The reversal of 543240434 is 434042345.

It is a super-2 number, since 2×543240434² = 590220338265016712, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 543240397 and 543240406.

It is not an unprimeable number, because it can be changed into a prime (543240431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9344 + ... + 34260.

It is an arithmetic number, because the mean of its divisors is an integer number (55616976).

Almost surely, 2^543240434 is an apocalyptic number.

543240434 is a deficient number, since it is larger than the sum of its proper divisors (346631182).

543240434 is a wasteful number, since it uses less digits than its factorization.

543240434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25921.

The product of its (nonzero) digits is 23040, while the sum is 29.

The square root of 543240434 is about 23307.5188297682. The cubic root of 543240434 is about 815.9509063521.

Adding to 543240434 its reverse (434042345), we get a palindrome (977282779).

The spelling of 543240434 in words is "five hundred forty-three million, two hundred forty thousand, four hundred thirty-four".