546520643 has 2 divisors, whose sum is σ = 546520644. Its totient is φ = 546520642.

The previous prime is 546520633. The next prime is 546520661. The reversal of 546520643 is 346025645.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 546520643 - 2⁴ = 546520627 is a prime.

It is not a weakly prime, because it can be changed into another prime (546520633) 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, 273260321 + 273260322.

It is an arithmetic number, because the mean of its divisors is an integer number (273260322).

Almost surely, 2^546520643 is an apocalyptic number.

546520643 is a deficient number, since it is larger than the sum of its proper divisors (1).

546520643 is an equidigital number, since it uses as much as digits as its factorization.

546520643 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 86400, while the sum is 35.

The square root of 546520643 is about 23377.7809682613. The cubic root of 546520643 is about 817.5899107749.

The spelling of 546520643 in words is "five hundred forty-six million, five hundred twenty thousand, six hundred forty-three".