716245 has 4 divisors (see below), whose sum is σ = 859500. Its totient is φ = 572992.

The previous prime is 716173. The next prime is 716249. The reversal of 716245 is 542617.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 542617 = 43 ⋅12619.

It can be written as a sum of positive squares in 2 ways, for example, as 276676 + 439569 = 526^2 + 663^2 .

It is a cyclic number.

It is not a de Polignac number, because 716245 - 2⁷ = 716117 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (716249) 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, 71620 + ... + 71629.

It is an arithmetic number, because the mean of its divisors is an integer number (214875).

2⁷¹⁶²⁴⁵ is an apocalyptic number.

It is an amenable number.

716245 is a deficient number, since it is larger than the sum of its proper divisors (143255).

716245 is a wasteful number, since it uses less digits than its factorization.

716245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143254.

The product of its digits is 1680, while the sum is 25.

The square root of 716245 is about 846.3125900044. The cubic root of 716245 is about 89.4720114724.

It can be divided in two parts, 716 and 245, that added together give a square (961 = 31²).

The spelling of 716245 in words is "seven hundred sixteen thousand, two hundred forty-five".