68548357 has 2 divisors, whose sum is σ = 68548358. Its totient is φ = 68548356.

The previous prime is 68548343. The next prime is 68548411. The reversal of 68548357 is 75384586.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 61999876 + 6548481 = 7874^2 + 2559^2 .

It is a cyclic number.

It is not a de Polignac number, because 68548357 - 2¹⁵ = 68515589 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68548327) 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, 34274178 + 34274179.

It is an arithmetic number, because the mean of its divisors is an integer number (34274179).

Almost surely, 2^68548357 is an apocalyptic number.

It is an amenable number.

68548357 is a deficient number, since it is larger than the sum of its proper divisors (1).

68548357 is an equidigital number, since it uses as much as digits as its factorization.

68548357 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 806400, while the sum is 46.

The square root of 68548357 is about 8279.3935164359. The cubic root of 68548357 is about 409.2597330391.

The spelling of 68548357 in words is "sixty-eight million, five hundred forty-eight thousand, three hundred fifty-seven".