543449087 has 2 divisors, whose sum is σ = 543449088. Its totient is φ = 543449086.

The previous prime is 543449069. The next prime is 543449089. The reversal of 543449087 is 780944345.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 543449087 - 2¹⁰ = 543448063 is a prime.

It is a super-2 number, since 2×543449087² = 590673820322267138, which contains 22 as substring.

Together with 543449089, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (543449089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 271724543 + 271724544.

It is an arithmetic number, because the mean of its divisors is an integer number (271724544).

Almost surely, 2^543449087 is an apocalyptic number.

543449087 is a deficient number, since it is larger than the sum of its proper divisors (1).

543449087 is an equidigital number, since it uses as much as digits as its factorization.

543449087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 483840, while the sum is 44.

The square root of 543449087 is about 23311.9944878168. The cubic root of 543449087 is about 816.0553590654.

The spelling of 543449087 in words is "five hundred forty-three million, four hundred forty-nine thousand, eighty-seven".