543280994 has 4 divisors (see below), whose sum is σ = 814921494. Its totient is φ = 271640496.

The previous prime is 543280993. The next prime is 543281021. The reversal of 543280994 is 499082345.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 479040769 + 64240225 = 21887^2 + 8015^2 .

It is not an unprimeable number, because it can be changed into a prime (543280993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 135820247 + ... + 135820250.

Almost surely, 2^543280994 is an apocalyptic number.

543280994 is a deficient number, since it is larger than the sum of its proper divisors (271640500).

543280994 is a wasteful number, since it uses less digits than its factorization.

543280994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271640499.

The product of its (nonzero) digits is 311040, while the sum is 44.

The square root of 543280994 is about 23308.3889190137. The cubic root of 543280994 is about 815.9712129807.

The spelling of 543280994 in words is "five hundred forty-three million, two hundred eighty thousand, nine hundred ninety-four".