716551 has 4 divisors (see below), whose sum is σ = 781704. Its totient is φ = 651400.

The previous prime is 716549. The next prime is 716563. The reversal of 716551 is 155617.

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 716551 - 2¹ = 716549 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (716501) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32560 + ... + 32581.

It is an arithmetic number, because the mean of its divisors is an integer number (195426).

2⁷¹⁶⁵⁵¹ is an apocalyptic number.

716551 is a deficient number, since it is larger than the sum of its proper divisors (65153).

716551 is a wasteful number, since it uses less digits than its factorization.

716551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65152.

The product of its digits is 1050, while the sum is 25.

The square root of 716551 is about 846.4933549651. The cubic root of 716551 is about 89.4847513112.

The spelling of 716551 in words is "seven hundred sixteen thousand, five hundred fifty-one".