9006631 has 2 divisors, whose sum is σ = 9006632. Its totient is φ = 9006630.

The previous prime is 9006623. The next prime is 9006649. The reversal of 9006631 is 1366009.

9006631 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is an emirp because it is prime and its reverse (1366009) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9006631 - 2³ = 9006623 is a prime.

It is a super-2 number, since 2×9006631² = 162238803940322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 9006596 and 9006605.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9006601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4503315 + 4503316.

It is an arithmetic number, because the mean of its divisors is an integer number (4503316).

Almost surely, 2^9006631 is an apocalyptic number.

9006631 is a deficient number, since it is larger than the sum of its proper divisors (1).

9006631 is an equidigital number, since it uses as much as digits as its factorization.

9006631 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 972, while the sum is 25.

The square root of 9006631 is about 3001.1049631761. The cubic root of 9006631 is about 208.0594550820.

The spelling of 9006631 in words is "nine million, six thousand, six hundred thirty-one".