68375501 has 2 divisors, whose sum is σ = 68375502. Its totient is φ = 68375500.

The previous prime is 68375477. The next prime is 68375539. The reversal of 68375501 is 10557386.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 61999876 + 6375625 = 7874^2 + 2525^2 .

It is a cyclic number.

It is not a de Polignac number, because 68375501 - 2²² = 64181197 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 (68375101) 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, 34187750 + 34187751.

It is an arithmetic number, because the mean of its divisors is an integer number (34187751).

Almost surely, 2^68375501 is an apocalyptic number.

It is an amenable number.

68375501 is a deficient number, since it is larger than the sum of its proper divisors (1).

68375501 is an equidigital number, since it uses as much as digits as its factorization.

68375501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25200, while the sum is 35.

The square root of 68375501 is about 8268.9479983853. The cubic root of 68375501 is about 408.9154381484.

The spelling of 68375501 in words is "sixty-eight million, three hundred seventy-five thousand, five hundred one".