716570545 has 4 divisors (see below), whose sum is σ = 859884660. Its totient is φ = 573256432.

The previous prime is 716570531. The next prime is 716570557. The reversal of 716570545 is 545075617.

It is a happy number.

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 296976289 + 419594256 = 17233^2 + 20484^2 .

It is a cyclic number.

It is not a de Polignac number, because 716570545 - 2¹¹ = 716568497 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 716570498 and 716570507.

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, 71657050 + ... + 71657059.

It is an arithmetic number, because the mean of its divisors is an integer number (214971165).

Almost surely, 2^716570545 is an apocalyptic number.

It is an amenable number.

716570545 is a deficient number, since it is larger than the sum of its proper divisors (143314115).

716570545 is a wasteful number, since it uses less digits than its factorization.

716570545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143314114.

The product of its (nonzero) digits is 147000, while the sum is 40.

The square root of 716570545 is about 26768.8353314073. The cubic root of 716570545 is about 894.8556491392.

The spelling of 716570545 in words is "seven hundred sixteen million, five hundred seventy thousand, five hundred forty-five".