716491 has 2 divisors, whose sum is σ = 716492. Its totient is φ = 716490.

The previous prime is 716483. The next prime is 716501. The reversal of 716491 is 194617.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 716491 - 2³ = 716483 is a prime.

It is not a weakly prime, because it can be changed into another prime (716411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 358245 + 358246.

It is an arithmetic number, because the mean of its divisors is an integer number (358246).

2⁷¹⁶⁴⁹¹ is an apocalyptic number.

716491 is a deficient number, since it is larger than the sum of its proper divisors (1).

716491 is an equidigital number, since it uses as much as digits as its factorization.

716491 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1512, while the sum is 28.

The square root of 716491 is about 846.4579138977. The cubic root of 716491 is about 89.4822535895.

The spelling of 716491 in words is "seven hundred sixteen thousand, four hundred ninety-one".