68015401 has 2 divisors, whose sum is σ = 68015402. Its totient is φ = 68015400.

The previous prime is 68015369. The next prime is 68015407. The reversal of 68015401 is 10451086.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 50751376 + 17264025 = 7124^2 + 4155^2 .

It is a cyclic number.

It is not a de Polignac number, because 68015401 - 2⁵ = 68015369 is a prime.

It is not a weakly prime, because it can be changed into another prime (68015407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34007700 + 34007701.

It is an arithmetic number, because the mean of its divisors is an integer number (34007701).

Almost surely, 2^68015401 is an apocalyptic number.

It is an amenable number.

68015401 is a deficient number, since it is larger than the sum of its proper divisors (1).

68015401 is an equidigital number, since it uses as much as digits as its factorization.

68015401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 960, while the sum is 25.

The square root of 68015401 is about 8247.1450211573. The cubic root of 68015401 is about 408.1963223609.

Adding to 68015401 its reverse (10451086), we get a palindrome (78466487).

The spelling of 68015401 in words is "sixty-eight million, fifteen thousand, four hundred one".