547262489 has 2 divisors, whose sum is σ = 547262490. Its totient is φ = 547262488.

The previous prime is 547262479. The next prime is 547262497. The reversal of 547262489 is 984262745.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 525097225 + 22165264 = 22915^2 + 4708^2 .

It is a cyclic number.

It is not a de Polignac number, because 547262489 - 2⁴ = 547262473 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (547262459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 273631244 + 273631245.

It is an arithmetic number, because the mean of its divisors is an integer number (273631245).

Almost surely, 2^547262489 is an apocalyptic number.

It is an amenable number.

547262489 is a deficient number, since it is larger than the sum of its proper divisors (1).

547262489 is an equidigital number, since it uses as much as digits as its factorization.

547262489 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 967680, while the sum is 47.

The square root of 547262489 is about 23393.6420636035. The cubic root of 547262489 is about 817.9596751422.

The spelling of 547262489 in words is "five hundred forty-seven million, two hundred sixty-two thousand, four hundred eighty-nine".