543404345 has 12 divisors (see below), whose sum is σ = 716755620. Its totient is φ = 395202720.

The previous prime is 543404339. The next prime is 543404357.

543404345 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 2 ways, for example, as 188760121 + 354644224 = 13739^2 + 18832^2 .

It is not a de Polignac number, because 543404345 - 2¹⁴ = 543387961 is a prime.

It is an unprimeable number.

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 in 11 ways as a sum of consecutive naturals, for example, 448490 + ... + 449699.

It is an arithmetic number, because the mean of its divisors is an integer number (59729635).

Almost surely, 2^543404345 is an apocalyptic number.

543404345 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

543404345 is a deficient number, since it is larger than the sum of its proper divisors (173351275).

543404345 is a wasteful number, since it uses less digits than its factorization.

543404345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 898216 (or 898205 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 32.

The square root of 543404345 is about 23311.0348333145. The cubic root of 543404345 is about 816.0329632533.

It can be divided in two parts, 54340 and 4345, that added together give a palindrome (58685).

The spelling of 543404345 in words is "five hundred forty-three million, four hundred four thousand, three hundred forty-five".