68610001 has 2 divisors, whose sum is σ = 68610002. Its totient is φ = 68610000.

The previous prime is 68609953. The next prime is 68610019. The reversal of 68610001 is 10001686.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 46566976 + 22043025 = 6824^2 + 4695^2 .

It is a cyclic number.

It is not a de Polignac number, because 68610001 - 2¹³ = 68601809 is a prime.

It is not a weakly prime, because it can be changed into another prime (68610301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34305000 + 34305001.

It is an arithmetic number, because the mean of its divisors is an integer number (34305001).

Almost surely, 2^68610001 is an apocalyptic number.

It is an amenable number.

68610001 is a deficient number, since it is larger than the sum of its proper divisors (1).

68610001 is an equidigital number, since it uses as much as digits as its factorization.

68610001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 22.

The square root of 68610001 is about 8283.1154163153. The cubic root of 68610001 is about 409.3823756494.

Adding to 68610001 its reverse (10001686), we get a palindrome (78611687).

It can be divided in two parts, 686 and 10001, that multiplied together give a palindrome (6860686).

The spelling of 68610001 in words is "sixty-eight million, six hundred ten thousand, one".