546118493 has 2 divisors, whose sum is σ = 546118494. Its totient is φ = 546118492.

The previous prime is 546118481. The next prime is 546118549. The reversal of 546118493 is 394811645.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 539958169 + 6160324 = 23237^2 + 2482^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-546118493 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 546118493.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (546118403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 273059246 + 273059247.

It is an arithmetic number, because the mean of its divisors is an integer number (273059247).

Almost surely, 2^546118493 is an apocalyptic number.

It is an amenable number.

546118493 is a deficient number, since it is larger than the sum of its proper divisors (1).

546118493 is an equidigital number, since it uses as much as digits as its factorization.

546118493 is an evil number, because the sum of its binary digits is even.

The product of its digits is 103680, while the sum is 41.

The square root of 546118493 is about 23369.1782696782. The cubic root of 546118493 is about 817.3893239864.

The spelling of 546118493 in words is "five hundred forty-six million, one hundred eighteen thousand, four hundred ninety-three".