706186513 has 2 divisors, whose sum is σ = 706186514. Its totient is φ = 706186512.

The previous prime is 706186427. The next prime is 706186529. The reversal of 706186513 is 315681607.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 527483089 + 178703424 = 22967^2 + 13368^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-706186513 is a prime.

It is a super-2 number, since 2×706186513² = 997398782286198338, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (706186553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 353093256 + 353093257.

It is an arithmetic number, because the mean of its divisors is an integer number (353093257).

Almost surely, 2^706186513 is an apocalyptic number.

It is an amenable number.

706186513 is a deficient number, since it is larger than the sum of its proper divisors (1).

706186513 is an equidigital number, since it uses as much as digits as its factorization.

706186513 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 706186513 is about 26574.1700340763. The cubic root of 706186513 is about 890.5120619332.

The spelling of 706186513 in words is "seven hundred six million, one hundred eighty-six thousand, five hundred thirteen".