543880405 has 8 divisors (see below), whose sum is σ = 691048152. Its totient is φ = 409509888.

The previous prime is 543880391. The next prime is 543880409. The reversal of 543880405 is 504088345.

It is a happy number.

543880405 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 111323601 + 432556804 = 10551^2 + 20798^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 543880405 - 2⁹ = 543879893 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (543880409) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3199212 + ... + 3199381.

It is an arithmetic number, because the mean of its divisors is an integer number (86381019).

Almost surely, 2^543880405 is an apocalyptic number.

It is an amenable number.

543880405 is a deficient number, since it is larger than the sum of its proper divisors (147167747).

543880405 is a wasteful number, since it uses less digits than its factorization.

543880405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6398615.

The product of its (nonzero) digits is 76800, while the sum is 37.

The square root of 543880405 is about 23321.2436417958. The cubic root of 543880405 is about 816.2711942415.

The spelling of 543880405 in words is "five hundred forty-three million, eight hundred eighty thousand, four hundred five".