706857013 has 2 divisors, whose sum is σ = 706857014. Its totient is φ = 706857012.

The previous prime is 706857001. The next prime is 706857031. The reversal of 706857013 is 310758607.

Together with next prime (706857031) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 660644209 + 46212804 = 25703^2 + 6798^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-706857013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (706857083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 353428506 + 353428507.

It is an arithmetic number, because the mean of its divisors is an integer number (353428507).

Almost surely, 2^706857013 is an apocalyptic number.

It is an amenable number.

706857013 is a deficient number, since it is larger than the sum of its proper divisors (1).

706857013 is an equidigital number, since it uses as much as digits as its factorization.

706857013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 35280, while the sum is 37.

The square root of 706857013 is about 26586.7826748556. The cubic root of 706857013 is about 890.7938097220.

The spelling of 706857013 in words is "seven hundred six million, eight hundred fifty-seven thousand, thirteen".