8631011 has 2 divisors, whose sum is σ = 8631012. Its totient is φ = 8631010.

The previous prime is 8631001. The next prime is 8631017. The reversal of 8631011 is 1101368.

8631011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8631011 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (8631017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4315505 + 4315506.

It is an arithmetic number, because the mean of its divisors is an integer number (4315506).

Almost surely, 2^8631011 is an apocalyptic number.

8631011 is a deficient number, since it is larger than the sum of its proper divisors (1).

8631011 is an equidigital number, since it uses as much as digits as its factorization.

8631011 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 8631011 is about 2937.8582334755. The cubic root of 8631011 is about 205.1259269925.

Adding to 8631011 its reverse (1101368), we get a palindrome (9732379).

The spelling of 8631011 in words is "eight million, six hundred thirty-one thousand, eleven".