68638301 has 2 divisors, whose sum is σ = 68638302. Its totient is φ = 68638300.

The previous prime is 68638291. The next prime is 68638307. The reversal of 68638301 is 10383686.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 53436100 + 15202201 = 7310^2 + 3899^2 .

It is a cyclic number.

It is not a de Polignac number, because 68638301 - 2¹⁸ = 68376157 is a prime.

It is a super-2 number, since 2×68638301² = 9422432728333202, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68638307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34319150 + 34319151.

It is an arithmetic number, because the mean of its divisors is an integer number (34319151).

Almost surely, 2^68638301 is an apocalyptic number.

It is an amenable number.

68638301 is a deficient number, since it is larger than the sum of its proper divisors (1).

68638301 is an equidigital number, since it uses as much as digits as its factorization.

68638301 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 68638301 is about 8284.8235346325. The cubic root of 68638301 is about 409.4386547560.

The spelling of 68638301 in words is "sixty-eight million, six hundred thirty-eight thousand, three hundred one".