716559 has 4 divisors (see below), whose sum is σ = 955416. Its totient is φ = 477704.

The previous prime is 716549. The next prime is 716563. The reversal of 716559 is 955617.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 716559 - 2⁴ = 716543 is a prime.

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (716549) 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 in 3 ways as a sum of consecutive naturals, for example, 119424 + ... + 119429.

It is an arithmetic number, because the mean of its divisors is an integer number (238854).

2⁷¹⁶⁵⁵⁹ is an apocalyptic number.

716559 is a deficient number, since it is larger than the sum of its proper divisors (238857).

716559 is a wasteful number, since it uses less digits than its factorization.

716559 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238856.

The product of its digits is 9450, while the sum is 33.

The square root of 716559 is about 846.4980803286. The cubic root of 716559 is about 89.4850843302.

It can be divided in two parts, 716 and 559, that added together give a triangular number (1275 = T₅₀).

The spelling of 716559 in words is "seven hundred sixteen thousand, five hundred fifty-nine".