8655401 has 2 divisors, whose sum is σ = 8655402. Its totient is φ = 8655400.

The previous prime is 8655371. The next prime is 8655403. The reversal of 8655401 is 1045568.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8549776 + 105625 = 2924^2 + 325^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8655401 is a prime.

Together with 8655403, 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 (8655403) 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, 4327700 + 4327701.

It is an arithmetic number, because the mean of its divisors is an integer number (4327701).

Almost surely, 2^8655401 is an apocalyptic number.

It is an amenable number.

8655401 is a deficient number, since it is larger than the sum of its proper divisors (1).

8655401 is an equidigital number, since it uses as much as digits as its factorization.

8655401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4800, while the sum is 29.

The square root of 8655401 is about 2942.0062882326. The cubic root of 8655401 is about 205.3189640977.

The spelling of 8655401 in words is "eight million, six hundred fifty-five thousand, four hundred one".