543421371 has 16 divisors (see below), whose sum is σ = 769626144. Its totient is φ = 339884544.

The previous prime is 543421369. The next prime is 543421387. The reversal of 543421371 is 173124345.

It is a happy number.

It is not a de Polignac number, because 543421371 - 2¹ = 543421369 is a prime.

It is not an unprimeable number, because it can be changed into a prime (543421301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 640 + ... + 32973.

It is an arithmetic number, because the mean of its divisors is an integer number (48101634).

Almost surely, 2^543421371 is an apocalyptic number.

543421371 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

543421371 is a deficient number, since it is larger than the sum of its proper divisors (226204773).

543421371 is a wasteful number, since it uses less digits than its factorization.

543421371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33950.

The product of its digits is 10080, while the sum is 30.

The square root of 543421371 is about 23311.4000223067. The cubic root of 543421371 is about 816.0414858402.

The spelling of 543421371 in words is "five hundred forty-three million, four hundred twenty-one thousand, three hundred seventy-one".