68958401 has 2 divisors, whose sum is σ = 68958402. Its totient is φ = 68958400.

The previous prime is 68958371. The next prime is 68958403. The reversal of 68958401 is 10485986.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 60078001 + 8880400 = 7751^2 + 2980^2 .

It is a cyclic number.

It is not a de Polignac number, because 68958401 - 2¹⁰ = 68957377 is a prime.

It is a super-2 number, since 2×68958401² = 9510522136953602, which contains 22 as substring.

Together with 68958403, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (68958403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34479200 + 34479201.

It is an arithmetic number, because the mean of its divisors is an integer number (34479201).

Almost surely, 2^68958401 is an apocalyptic number.

It is an amenable number.

68958401 is a deficient number, since it is larger than the sum of its proper divisors (1).

68958401 is an equidigital number, since it uses as much as digits as its factorization.

68958401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 69120, while the sum is 41.

The square root of 68958401 is about 8304.1195198528. The cubic root of 68958401 is about 410.0741507766.

The spelling of 68958401 in words is "sixty-eight million, nine hundred fifty-eight thousand, four hundred one".