9931049 has 2 divisors, whose sum is σ = 9931050. Its totient is φ = 9931048.

The previous prime is 9931039. The next prime is 9931063. The reversal of 9931049 is 9401399.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8323225 + 1607824 = 2885^2 + 1268^2 .

It is a cyclic number.

It is not a de Polignac number, because 9931049 - 2²⁰ = 8882473 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9931039) 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, 4965524 + 4965525.

It is an arithmetic number, because the mean of its divisors is an integer number (4965525).

Almost surely, 2^9931049 is an apocalyptic number.

It is an amenable number.

9931049 is a deficient number, since it is larger than the sum of its proper divisors (1).

9931049 is an equidigital number, since it uses as much as digits as its factorization.

9931049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8748, while the sum is 35.

The square root of 9931049 is about 3151.3566919662. The cubic root of 9931049 is about 214.9471584580.

The spelling of 9931049 in words is "nine million, nine hundred thirty-one thousand, forty-nine".