8127641 has 2 divisors, whose sum is σ = 8127642. Its totient is φ = 8127640.

The previous prime is 8127617. The next prime is 8127653. The reversal of 8127641 is 1467218.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7862416 + 265225 = 2804^2 + 515^2 .

It is a cyclic number.

It is not a de Polignac number, because 8127641 - 2⁶ = 8127577 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (8127341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4063820 + 4063821.

It is an arithmetic number, because the mean of its divisors is an integer number (4063821).

Almost surely, 2^8127641 is an apocalyptic number.

It is an amenable number.

8127641 is a deficient number, since it is larger than the sum of its proper divisors (1).

8127641 is an equidigital number, since it uses as much as digits as its factorization.

8127641 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2688, while the sum is 29.

The square root of 8127641 is about 2850.9017871544. The cubic root of 8127641 is about 201.0580675939.

The spelling of 8127641 in words is "eight million, one hundred twenty-seven thousand, six hundred forty-one".