543401004 has 12 divisors (see below), whose sum is σ = 1267935704. Its totient is φ = 181133664.

The previous prime is 543400987. The next prime is 543401009. The reversal of 543401004 is 400104345.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×543401004² = 590569302296416032, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (543401009) 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 3 ways as a sum of consecutive naturals, for example, 22641697 + ... + 22641720.

Almost surely, 2^543401004 is an apocalyptic number.

It is an amenable number.

543401004 is an abundant number, since it is smaller than the sum of its proper divisors (724534700).

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

543401004 is a wasteful number, since it uses less digits than its factorization.

543401004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45283424 (or 45283422 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 543401004 is about 23310.9631718640. The cubic root of 543401004 is about 816.0312908512.

Adding to 543401004 its reverse (400104345), we get a palindrome (943505349).

The spelling of 543401004 in words is "five hundred forty-three million, four hundred one thousand, four".