716549 has 2 divisors, whose sum is σ = 716550. Its totient is φ = 716548.

The previous prime is 716543. The next prime is 716563. The reversal of 716549 is 945617.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 368449 + 348100 = 607^2 + 590^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-716549 is a prime.

It is a Chen prime.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 716549.

It is not a weakly prime, because it can be changed into another prime (716543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 358274 + 358275.

It is an arithmetic number, because the mean of its divisors is an integer number (358275).

2⁷¹⁶⁵⁴⁹ is an apocalyptic number.

It is an amenable number.

716549 is a deficient number, since it is larger than the sum of its proper divisors (1).

716549 is an equidigital number, since it uses as much as digits as its factorization.

716549 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7560, while the sum is 32.

The square root of 716549 is about 846.4921736201. The cubic root of 716549 is about 89.4846680560.

The spelling of 716549 in words is "seven hundred sixteen thousand, five hundred forty-nine".