547466389 has 2 divisors, whose sum is σ = 547466390. Its totient is φ = 547466388.

The previous prime is 547466383. The next prime is 547466429. The reversal of 547466389 is 983664745.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 464747364 + 82719025 = 21558^2 + 9095^2 .

It is a cyclic number.

It is not a de Polignac number, because 547466389 - 2⁵ = 547466357 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (547466383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 273733194 + 273733195.

It is an arithmetic number, because the mean of its divisors is an integer number (273733195).

Almost surely, 2^547466389 is an apocalyptic number.

It is an amenable number.

547466389 is a deficient number, since it is larger than the sum of its proper divisors (1).

547466389 is an equidigital number, since it uses as much as digits as its factorization.

547466389 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4354560, while the sum is 52.

The square root of 547466389 is about 23397.9996794598. Note that the first 3 decimals coincide. The cubic root of 547466389 is about 818.0612481364.

The spelling of 547466389 in words is "five hundred forty-seven million, four hundred sixty-six thousand, three hundred eighty-nine".