8571401 has 2 divisors, whose sum is σ = 8571402. Its totient is φ = 8571400.

The previous prime is 8571391. The next prime is 8571403. The reversal of 8571401 is 1041758.

8571401 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6943225 + 1628176 = 2635^2 + 1276^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8571401 is a prime.

Together with 8571403, it forms a pair of twin primes.

It is a Chen prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (8571403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4285700 + 4285701.

It is an arithmetic number, because the mean of its divisors is an integer number (4285701).

Almost surely, 2^8571401 is an apocalyptic number.

It is an amenable number.

8571401 is a deficient number, since it is larger than the sum of its proper divisors (1).

8571401 is an equidigital number, since it uses as much as digits as its factorization.

8571401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1120, while the sum is 26.

The square root of 8571401 is about 2927.6955101240. The cubic root of 8571401 is about 204.6526021852.

The spelling of 8571401 in words is "eight million, five hundred seventy-one thousand, four hundred one".