546991607 has 2 divisors, whose sum is σ = 546991608. Its totient is φ = 546991606.

The previous prime is 546991567. The next prime is 546991637. The reversal of 546991607 is 706199645.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 546991607 - 2¹⁰ = 546990583 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (546991637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 273495803 + 273495804.

It is an arithmetic number, because the mean of its divisors is an integer number (273495804).

Almost surely, 2^546991607 is an apocalyptic number.

546991607 is a deficient number, since it is larger than the sum of its proper divisors (1).

546991607 is an equidigital number, since it uses as much as digits as its factorization.

546991607 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 408240, while the sum is 47.

The square root of 546991607 is about 23387.8516969815. The cubic root of 546991607 is about 817.8246959658.

The spelling of 546991607 in words is "five hundred forty-six million, nine hundred ninety-one thousand, six hundred seven".