543279089 has 2 divisors, whose sum is σ = 543279090. Its totient is φ = 543279088.

The previous prime is 543279053. The next prime is 543279091. The reversal of 543279089 is 980972345.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 459373489 + 83905600 = 21433^2 + 9160^2 .

It is a cyclic number.

It is not a de Polignac number, because 543279089 - 2⁸ = 543278833 is a prime.

Together with 543279091, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (543279019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 271639544 + 271639545.

It is an arithmetic number, because the mean of its divisors is an integer number (271639545).

Almost surely, 2^543279089 is an apocalyptic number.

It is an amenable number.

543279089 is a deficient number, since it is larger than the sum of its proper divisors (1).

543279089 is an equidigital number, since it uses as much as digits as its factorization.

543279089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 544320, while the sum is 47.

The square root of 543279089 is about 23308.3480538626. The cubic root of 543279089 is about 815.9702592526.

The spelling of 543279089 in words is "five hundred forty-three million, two hundred seventy-nine thousand, eighty-nine".