493542547 has 2 divisors, whose sum is σ = 493542548. Its totient is φ = 493542546.

The previous prime is 493542523. The next prime is 493542587. The reversal of 493542547 is 745245394.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-493542547 is a prime.

It is not a weakly prime, because it can be changed into another prime (493542587) 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, 246771273 + 246771274.

It is an arithmetic number, because the mean of its divisors is an integer number (246771274).

Almost surely, 2^493542547 is an apocalyptic number.

493542547 is a deficient number, since it is larger than the sum of its proper divisors (1).

493542547 is an equidigital number, since it uses as much as digits as its factorization.

493542547 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 604800, while the sum is 43.

The square root of 493542547 is about 22215.8174956494. The cubic root of 493542547 is about 790.2688541745.

The spelling of 493542547 in words is "four hundred ninety-three million, five hundred forty-two thousand, five hundred forty-seven".