716455225 has 12 divisors (see below), whose sum is σ = 940664124. Its totient is φ = 539448320.

The previous prime is 716455199. The next prime is 716455247. The reversal of 716455225 is 522554617.

It can be written as a sum of positive squares in 6 ways, for example, as 14417209 + 702038016 = 3797^2 + 26496^2 .

It is not a de Polignac number, because 716455225 - 2¹⁷ = 716324153 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 842464 + ... + 843313.

It is an arithmetic number, because the mean of its divisors is an integer number (78388677).

Almost surely, 2^716455225 is an apocalyptic number.

It is an amenable number.

716455225 is a deficient number, since it is larger than the sum of its proper divisors (224208899).

716455225 is a wasteful number, since it uses less digits than its factorization.

716455225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1685804 (or 1685799 counting only the distinct ones).

The product of its digits is 84000, while the sum is 37.

The square root of 716455225 is about 26766.6812474016. The cubic root of 716455225 is about 894.8076425656.

The spelling of 716455225 in words is "seven hundred sixteen million, four hundred fifty-five thousand, two hundred twenty-five".