68246261 has 2 divisors, whose sum is σ = 68246262. Its totient is φ = 68246260.

The previous prime is 68246257. The next prime is 68246273. The reversal of 68246261 is 16264286.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 58599025 + 9647236 = 7655^2 + 3106^2 .

It is a cyclic number.

It is not a de Polignac number, because 68246261 - 2² = 68246257 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68246281) 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, 34123130 + 34123131.

It is an arithmetic number, because the mean of its divisors is an integer number (34123131).

Almost surely, 2^68246261 is an apocalyptic number.

It is an amenable number.

68246261 is a deficient number, since it is larger than the sum of its proper divisors (1).

68246261 is an equidigital number, since it uses as much as digits as its factorization.

68246261 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27648, while the sum is 35.

The square root of 68246261 is about 8261.1295232553. The cubic root of 68246261 is about 408.6576383882.

The spelling of 68246261 in words is "sixty-eight million, two hundred forty-six thousand, two hundred sixty-one".