706532681 has 2 divisors, whose sum is σ = 706532682. Its totient is φ = 706532680.

The previous prime is 706532639. The next prime is 706532707. The reversal of 706532681 is 186235607.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 524822281 + 181710400 = 22909^2 + 13480^2 .

It is a cyclic number.

It is not a de Polignac number, because 706532681 - 2¹⁴ = 706516297 is a prime.

It is a super-2 number, since 2×706532681² = 998376858642095522, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (706532581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 353266340 + 353266341.

It is an arithmetic number, because the mean of its divisors is an integer number (353266341).

Almost surely, 2^706532681 is an apocalyptic number.

It is an amenable number.

706532681 is a deficient number, since it is larger than the sum of its proper divisors (1).

706532681 is an equidigital number, since it uses as much as digits as its factorization.

706532681 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 706532681 is about 26580.6824780704. The cubic root of 706532681 is about 890.6575458894.

The spelling of 706532681 in words is "seven hundred six million, five hundred thirty-two thousand, six hundred eighty-one".