68497241 has 2 divisors, whose sum is σ = 68497242. Its totient is φ = 68497240.

The previous prime is 68497201. The next prime is 68497271. The reversal of 68497241 is 14279486.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 59521225 + 8976016 = 7715^2 + 2996^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-68497241 is a prime.

It is a super-2 number, since 2×68497241² = 9383744049224162, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (68497201) 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, 34248620 + 34248621.

It is an arithmetic number, because the mean of its divisors is an integer number (34248621).

Almost surely, 2^68497241 is an apocalyptic number.

It is an amenable number.

68497241 is a deficient number, since it is larger than the sum of its proper divisors (1).

68497241 is an equidigital number, since it uses as much as digits as its factorization.

68497241 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 96768, while the sum is 41.

The square root of 68497241 is about 8276.3059996595. The cubic root of 68497241 is about 409.1579804298.

The spelling of 68497241 in words is "sixty-eight million, four hundred ninety-seven thousand, two hundred forty-one".