106631489 has 2 divisors, whose sum is σ = 106631490. Its totient is φ = 106631488.

The previous prime is 106631453. The next prime is 106631501. The reversal of 106631489 is 984136601.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 75550864 + 31080625 = 8692^2 + 5575^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-106631489 is a prime.

It is a super-2 number, since 2×106631489² = 22740548892714242, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (106631689) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53315744 + 53315745.

It is an arithmetic number, because the mean of its divisors is an integer number (53315745).

Almost surely, 2^106631489 is an apocalyptic number.

It is an amenable number.

106631489 is a deficient number, since it is larger than the sum of its proper divisors (1).

106631489 is an equidigital number, since it uses as much as digits as its factorization.

106631489 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 106631489 is about 10326.2524179879. The cubic root of 106631489 is about 474.2003001969.

The spelling of 106631489 in words is "one hundred six million, six hundred thirty-one thousand, four hundred eighty-nine".