546494491 has 2 divisors, whose sum is σ = 546494492. Its totient is φ = 546494490.

The previous prime is 546494489. The next prime is 546494503. The reversal of 546494491 is 194494645.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 546494491 - 2¹ = 546494489 is a prime.

Together with 546494489, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (546494401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 273247245 + 273247246.

It is an arithmetic number, because the mean of its divisors is an integer number (273247246).

Almost surely, 2^546494491 is an apocalyptic number.

546494491 is a deficient number, since it is larger than the sum of its proper divisors (1).

546494491 is an equidigital number, since it uses as much as digits as its factorization.

546494491 is an evil number, because the sum of its binary digits is even.

The product of its digits is 622080, while the sum is 46.

The square root of 546494491 is about 23377.2216270454. The cubic root of 546494491 is about 817.5768695155.

The spelling of 546494491 in words is "five hundred forty-six million, four hundred ninety-four thousand, four hundred ninety-one".