715268681 has 2 divisors, whose sum is σ = 715268682. Its totient is φ = 715268680.

The previous prime is 715268677. The next prime is 715268707. The reversal of 715268681 is 186862517.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 715027600 + 241081 = 26740^2 + 491^2 .

It is an emirp because it is prime and its reverse (186862517) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 715268681 - 2² = 715268677 is a prime.

It is a super-2 number, since 2×715268681² = 1023218572038959522, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (715268621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 357634340 + 357634341.

It is an arithmetic number, because the mean of its divisors is an integer number (357634341).

Almost surely, 2^715268681 is an apocalyptic number.

It is an amenable number.

715268681 is a deficient number, since it is larger than the sum of its proper divisors (1).

715268681 is an equidigital number, since it uses as much as digits as its factorization.

715268681 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 161280, while the sum is 44.

The square root of 715268681 is about 26744.5074921936. The cubic root of 715268681 is about 894.3133966063.

The spelling of 715268681 in words is "seven hundred fifteen million, two hundred sixty-eight thousand, six hundred eighty-one".