716451305 has 4 divisors (see below), whose sum is σ = 859741572. Its totient is φ = 573161040.

The previous prime is 716451289. The next prime is 716451347. The reversal of 716451305 is 503154617.

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

It can be written as a sum of positive squares in 2 ways, for example, as 102799321 + 613651984 = 10139^2 + 24772^2 .

It is not a de Polignac number, because 716451305 - 2⁴ = 716451289 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71645126 + ... + 71645135.

It is an arithmetic number, because the mean of its divisors is an integer number (214935393).

Almost surely, 2^716451305 is an apocalyptic number.

It is an amenable number.

716451305 is a deficient number, since it is larger than the sum of its proper divisors (143290267).

716451305 is a wasteful number, since it uses less digits than its factorization.

716451305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143290266.

The product of its (nonzero) digits is 12600, while the sum is 32.

The square root of 716451305 is about 26766.6080219366. The cubic root of 716451305 is about 894.8060106179.

The spelling of 716451305 in words is "seven hundred sixteen million, four hundred fifty-one thousand, three hundred five".