9148631 has 2 divisors, whose sum is σ = 9148632. Its totient is φ = 9148630.

The previous prime is 9148619. The next prime is 9148639. The reversal of 9148631 is 1368419.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9148631 is a prime.

It is a super-2 number, since 2×9148631² = 167394898348322, which contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9148639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4574315 + 4574316.

It is an arithmetic number, because the mean of its divisors is an integer number (4574316).

Almost surely, 2^9148631 is an apocalyptic number.

9148631 is a deficient number, since it is larger than the sum of its proper divisors (1).

9148631 is an equidigital number, since it uses as much as digits as its factorization.

9148631 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5184, while the sum is 32.

The square root of 9148631 is about 3024.6703952662. The cubic root of 9148631 is about 209.1471914765.

It can be divided in two parts, 9148 and 631, that added together give a palindrome (9779).

The spelling of 9148631 in words is "nine million, one hundred forty-eight thousand, six hundred thirty-one".