547242851 has 2 divisors, whose sum is σ = 547242852. Its totient is φ = 547242850.

The previous prime is 547242827. The next prime is 547242881. The reversal of 547242851 is 158242745.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-547242851 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (547242881) by changing a digit.

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 as a sum of consecutive naturals, namely, 273621425 + 273621426.

It is an arithmetic number, because the mean of its divisors is an integer number (273621426).

Almost surely, 2^547242851 is an apocalyptic number.

547242851 is a deficient number, since it is larger than the sum of its proper divisors (1).

547242851 is an equidigital number, since it uses as much as digits as its factorization.

547242851 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 89600, while the sum is 38.

The square root of 547242851 is about 23393.2223304101. Note that the first 3 decimals coincide. The cubic root of 547242851 is about 817.9498911205.

It can be divided in two parts, 54724 and 2851, that added together give a palindrome (57575).

The spelling of 547242851 in words is "five hundred forty-seven million, two hundred forty-two thousand, eight hundred fifty-one".