716457641 has 2 divisors, whose sum is σ = 716457642. Its totient is φ = 716457640.

The previous prime is 716457631. The next prime is 716457649. The reversal of 716457641 is 146754617.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 716365225 + 92416 = 26765^2 + 304^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-716457641 is a prime.

It is not a weakly prime, because it can be changed into another prime (716457649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 358228820 + 358228821.

It is an arithmetic number, because the mean of its divisors is an integer number (358228821).

Almost surely, 2^716457641 is an apocalyptic number.

It is an amenable number.

716457641 is a deficient number, since it is larger than the sum of its proper divisors (1).

716457641 is an equidigital number, since it uses as much as digits as its factorization.

716457641 is an evil number, because the sum of its binary digits is even.

The product of its digits is 141120, while the sum is 41.

The square root of 716457641 is about 26766.7263780986. The cubic root of 716457641 is about 894.8086483753.

It can be divided in two parts, 7164576 and 41, that added together give a palindrome (7164617).

The spelling of 716457641 in words is "seven hundred sixteen million, four hundred fifty-seven thousand, six hundred forty-one".