543312445 has 8 divisors (see below), whose sum is σ = 702126936. Its totient is φ = 401215296.

The previous prime is 543312437. The next prime is 543312449. The reversal of 543312445 is 544213345.

It can be written as a sum of positive squares in 4 ways, for example, as 28793956 + 514518489 = 5366^2 + 22683^2 .

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 543312445 - 2³ = 543312437 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 (543312449) 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, 4179262 + ... + 4179391.

It is an arithmetic number, because the mean of its divisors is an integer number (87765867).

Almost surely, 2^543312445 is an apocalyptic number.

It is an amenable number.

543312445 is a deficient number, since it is larger than the sum of its proper divisors (158814491).

543312445 is a wasteful number, since it uses less digits than its factorization.

543312445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8358671.

The product of its digits is 28800, while the sum is 31.

The square root of 543312445 is about 23309.0635805045. The cubic root of 543312445 is about 815.9869584333.

The spelling of 543312445 in words is "five hundred forty-three million, three hundred twelve thousand, four hundred forty-five".