547140043 has 4 divisors (see below), whose sum is σ = 552780760. Its totient is φ = 541499328.

The previous prime is 547140029. The next prime is 547140101. The reversal of 547140043 is 340041745.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 547140043 - 2⁹ = 547139531 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 547139993 and 547140020.

It is not an unprimeable number, because it can be changed into a prime (547140343) 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, 2820213 + ... + 2820406.

It is an arithmetic number, because the mean of its divisors is an integer number (138195190).

Almost surely, 2^547140043 is an apocalyptic number.

547140043 is a deficient number, since it is larger than the sum of its proper divisors (5640717).

547140043 is an equidigital number, since it uses as much as digits as its factorization.

547140043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5640716.

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 547140043 is about 23391.0248386000. The cubic root of 547140043 is about 817.8986664167.

Adding to 547140043 its reverse (340041745), we get a palindrome (887181788).

The spelling of 547140043 in words is "five hundred forty-seven million, one hundred forty thousand, forty-three".