8718601 has 2 divisors, whose sum is σ = 8718602. Its totient is φ = 8718600.

The previous prime is 8718581. The next prime is 8718649. The reversal of 8718601 is 1068178.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7398400 + 1320201 = 2720^2 + 1149^2 .

It is a cyclic number.

It is not a de Polignac number, because 8718601 - 2⁹ = 8718089 is a prime.

It is not a weakly prime, because it can be changed into another prime (8718301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4359300 + 4359301.

It is an arithmetic number, because the mean of its divisors is an integer number (4359301).

Almost surely, 2^8718601 is an apocalyptic number.

8718601 is the 1321-st centered decagonal number.

It is an amenable number.

8718601 is a deficient number, since it is larger than the sum of its proper divisors (1).

8718601 is an equidigital number, since it uses as much as digits as its factorization.

8718601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2688, while the sum is 31.

The square root of 8718601 is about 2952.7277219547. The cubic root of 8718601 is about 205.8174853073.

The spelling of 8718601 in words is "eight million, seven hundred eighteen thousand, six hundred one".