499999547 has 2 divisors, whose sum is σ = 499999548. Its totient is φ = 499999546.

The previous prime is 499999543. The next prime is 499999613. The reversal of 499999547 is 745999994.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 499999547 - 2² = 499999543 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (499999543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 249999773 + 249999774.

It is an arithmetic number, because the mean of its divisors is an integer number (249999774).

Almost surely, 2^499999547 is an apocalyptic number.

499999547 is a deficient number, since it is larger than the sum of its proper divisors (1).

499999547 is an equidigital number, since it uses as much as digits as its factorization.

499999547 is an evil number, because the sum of its binary digits is even.

The product of its digits is 33067440, while the sum is 65.

The square root of 499999547 is about 22360.6696456077. The cubic root of 499999547 is about 793.7002862865.

The spelling of 499999547 in words is "four hundred ninety-nine million, nine hundred ninety-nine thousand, five hundred forty-seven".