716659451 has 4 divisors (see below), whose sum is σ = 717077112. Its totient is φ = 716241792.

The previous prime is 716659421. The next prime is 716659453. The reversal of 716659451 is 154956617.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-716659451 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (716659453) 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, 206246 + ... + 209691.

It is an arithmetic number, because the mean of its divisors is an integer number (179269278).

Almost surely, 2^716659451 is an apocalyptic number.

716659451 is a deficient number, since it is larger than the sum of its proper divisors (417661).

716659451 is a wasteful number, since it uses less digits than its factorization.

716659451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 417660.

The product of its digits is 226800, while the sum is 44.

The square root of 716659451 is about 26770.4959050071. The cubic root of 716659451 is about 894.8926563103.

The spelling of 716659451 in words is "seven hundred sixteen million, six hundred fifty-nine thousand, four hundred fifty-one".