8571361 has 2 divisors, whose sum is σ = 8571362. Its totient is φ = 8571360.

The previous prime is 8571359. The next prime is 8571391. The reversal of 8571361 is 1631758.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8088336 + 483025 = 2844^2 + 695^2 .

It is a cyclic number.

It is not a de Polignac number, because 8571361 - 2¹ = 8571359 is a prime.

Together with 8571359, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (8571301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4285680 + 4285681.

It is an arithmetic number, because the mean of its divisors is an integer number (4285681).

Almost surely, 2^8571361 is an apocalyptic number.

It is an amenable number.

8571361 is a deficient number, since it is larger than the sum of its proper divisors (1).

8571361 is an equidigital number, since it uses as much as digits as its factorization.

8571361 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5040, while the sum is 31.

The square root of 8571361 is about 2927.6886788045. The cubic root of 8571361 is about 204.6522838352.

The spelling of 8571361 in words is "eight million, five hundred seventy-one thousand, three hundred sixty-one".