9941537 has 2 divisors, whose sum is σ = 9941538. Its totient is φ = 9941536.

The previous prime is 9941521. The next prime is 9941573. The reversal of 9941537 is 7351499.

It is a happy number.

Together with next prime (9941573) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5271616 + 4669921 = 2296^2 + 2161^2 .

It is a cyclic number.

It is not a de Polignac number, because 9941537 - 2⁴ = 9941521 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 9941537.

It is not a weakly prime, because it can be changed into another prime (9941587) 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, 4970768 + 4970769.

It is an arithmetic number, because the mean of its divisors is an integer number (4970769).

Almost surely, 2^9941537 is an apocalyptic number.

It is an amenable number.

9941537 is a deficient number, since it is larger than the sum of its proper divisors (1).

9941537 is an equidigital number, since it uses as much as digits as its factorization.

9941537 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34020, while the sum is 38.

The square root of 9941537 is about 3153.0202980634. The cubic root of 9941537 is about 215.0227990966.

Subtracting from 9941537 its sum of digits (38), we obtain a palindrome (9941499).

The spelling of 9941537 in words is "nine million, nine hundred forty-one thousand, five hundred thirty-seven".