68826313 has 2 divisors, whose sum is σ = 68826314. Its totient is φ = 68826312.

The previous prime is 68826287. The next prime is 68826323. The reversal of 68826313 is 31362886.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 68359824 + 466489 = 8268^2 + 683^2 .

It is a cyclic number.

It is not a de Polignac number, because 68826313 - 2¹³ = 68818121 is a prime.

It is a super-2 number, since 2×68826313² = 9474122722347938, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (68826323) 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, 34413156 + 34413157.

It is an arithmetic number, because the mean of its divisors is an integer number (34413157).

Almost surely, 2^68826313 is an apocalyptic number.

It is an amenable number.

68826313 is a deficient number, since it is larger than the sum of its proper divisors (1).

68826313 is an equidigital number, since it uses as much as digits as its factorization.

68826313 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 41472, while the sum is 37.

The square root of 68826313 is about 8296.1625466236. The cubic root of 68826313 is about 409.8121546798.

The spelling of 68826313 in words is "sixty-eight million, eight hundred twenty-six thousand, three hundred thirteen".