543642461 has 8 divisors (see below), whose sum is σ = 560434560. Its totient is φ = 527103072.

The previous prime is 543642413. The next prime is 543642479. The reversal of 543642461 is 164246345.

543642461 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-543642461 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 (543642401) 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, 58805 + ... + 67418.

It is an arithmetic number, because the mean of its divisors is an integer number (70054320).

Almost surely, 2^543642461 is an apocalyptic number.

It is an amenable number.

543642461 is a deficient number, since it is larger than the sum of its proper divisors (16792099).

543642461 is a wasteful number, since it uses less digits than its factorization.

543642461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126355.

The product of its digits is 69120, while the sum is 35.

The square root of 543642461 is about 23316.1416405030. The cubic root of 543642461 is about 816.1521391684.

The spelling of 543642461 in words is "five hundred forty-three million, six hundred forty-two thousand, four hundred sixty-one".