9967537 has 2 divisors, whose sum is σ = 9967538. Its totient is φ = 9967536.

The previous prime is 9967513. The next prime is 9967549. The reversal of 9967537 is 7357699.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5574321 + 4393216 = 2361^2 + 2096^2 .

It is an emirp because it is prime and its reverse (7357699) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9967537 - 2⁷ = 9967409 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (9967597) 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, 4983768 + 4983769.

It is an arithmetic number, because the mean of its divisors is an integer number (4983769).

Almost surely, 2^9967537 is an apocalyptic number.

It is an amenable number.

9967537 is a deficient number, since it is larger than the sum of its proper divisors (1).

9967537 is an equidigital number, since it uses as much as digits as its factorization.

9967537 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 357210, while the sum is 46.

The square root of 9967537 is about 3157.1406367154. The cubic root of 9967537 is about 215.2100848980.

The spelling of 9967537 in words is "nine million, nine hundred sixty-seven thousand, five hundred thirty-seven".