8478601 has 2 divisors, whose sum is σ = 8478602. Its totient is φ = 8478600.

The previous prime is 8478599. The next prime is 8478619. The reversal of 8478601 is 1068748.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7557001 + 921600 = 2749^2 + 960^2 .

It is a cyclic number.

It is not a de Polignac number, because 8478601 - 2¹ = 8478599 is a prime.

Together with 8478599, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (8478641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4239300 + 4239301.

It is an arithmetic number, because the mean of its divisors is an integer number (4239301).

Almost surely, 2^8478601 is an apocalyptic number.

It is an amenable number.

8478601 is a deficient number, since it is larger than the sum of its proper divisors (1).

8478601 is an equidigital number, since it uses as much as digits as its factorization.

8478601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10752, while the sum is 34.

The square root of 8478601 is about 2911.8037365180. The cubic root of 8478601 is about 203.9113497298.

The spelling of 8478601 in words is "eight million, four hundred seventy-eight thousand, six hundred one".