547364891 has 2 divisors, whose sum is σ = 547364892. Its totient is φ = 547364890.

The previous prime is 547364887. The next prime is 547364897. The reversal of 547364891 is 198463745.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 547364891 - 2² = 547364887 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (547364897) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 273682445 + 273682446.

It is an arithmetic number, because the mean of its divisors is an integer number (273682446).

Almost surely, 2^547364891 is an apocalyptic number.

547364891 is a deficient number, since it is larger than the sum of its proper divisors (1).

547364891 is an equidigital number, since it uses as much as digits as its factorization.

547364891 is an evil number, because the sum of its binary digits is even.

The product of its digits is 725760, while the sum is 47.

The square root of 547364891 is about 23395.8306328286. The cubic root of 547364891 is about 818.0106899566.

The spelling of 547364891 in words is "five hundred forty-seven million, three hundred sixty-four thousand, eight hundred ninety-one".