8311601 has 2 divisors, whose sum is σ = 8311602. Its totient is φ = 8311600.

The previous prime is 8311591. The next prime is 8311609. The reversal of 8311601 is 1061138.

8311601 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., 7263025 + 1048576 = 2695^2 + 1024^2 .

It is a cyclic number.

It is not a de Polignac number, because 8311601 - 2²² = 4117297 is a prime.

It is a super-2 number, since 2×8311601² = 138165422366402, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (8311609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4155800 + 4155801.

It is an arithmetic number, because the mean of its divisors is an integer number (4155801).

Almost surely, 2^8311601 is an apocalyptic number.

It is an amenable number.

8311601 is a deficient number, since it is larger than the sum of its proper divisors (1).

8311601 is an equidigital number, since it uses as much as digits as its factorization.

8311601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 20.

The square root of 8311601 is about 2882.9847380796. The cubic root of 8311601 is about 202.5636725038.

Adding to 8311601 its reverse (1061138), we get a palindrome (9372739).

The spelling of 8311601 in words is "eight million, three hundred eleven thousand, six hundred one".