716005331 has 4 divisors (see below), whose sum is σ = 740695200. Its totient is φ = 691315464.

The previous prime is 716005321. The next prime is 716005343. The reversal of 716005331 is 133500617.

It is a happy number.

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-716005331 is a prime.

It is a super-2 number, since 2×716005331² = 1025327268040839122, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 716005331.

It is not an unprimeable number, because it can be changed into a prime (716005321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12344891 + ... + 12344948.

It is an arithmetic number, because the mean of its divisors is an integer number (185173800).

Almost surely, 2^716005331 is an apocalyptic number.

716005331 is a deficient number, since it is larger than the sum of its proper divisors (24689869).

716005331 is a wasteful number, since it uses less digits than its factorization.

716005331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24689868.

The product of its (nonzero) digits is 1890, while the sum is 26.

The square root of 716005331 is about 26758.2759347459. The cubic root of 716005331 is about 894.6203068846.

Adding to 716005331 its reverse (133500617), we get a palindrome (849505948).

The spelling of 716005331 in words is "seven hundred sixteen million, five thousand, three hundred thirty-one".