543400607 has 4 divisors (see below), whose sum is σ = 543458520. Its totient is φ = 543342696.

The previous prime is 543400603. The next prime is 543400621. The reversal of 543400607 is 706004345.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 543400607 - 2² = 543400603 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 543400607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (543400603) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11288 + ... + 34845.

It is an arithmetic number, because the mean of its divisors is an integer number (135864630).

Almost surely, 2^543400607 is an apocalyptic number.

543400607 is a deficient number, since it is larger than the sum of its proper divisors (57913).

543400607 is a wasteful number, since it uses less digits than its factorization.

543400607 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57912.

The product of its (nonzero) digits is 10080, while the sum is 29.

The square root of 543400607 is about 23310.9546565558. The cubic root of 543400607 is about 816.0310921247.

The spelling of 543400607 in words is "five hundred forty-three million, four hundred thousand, six hundred seven".