9996541 has 2 divisors, whose sum is σ = 9996542. Its totient is φ = 9996540.

The previous prime is 9996523. The next prime is 9996557. The reversal of 9996541 is 1456999.

9996541 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9897316 + 99225 = 3146^2 + 315^2 .

It is a cyclic number.

It is not a de Polignac number, because 9996541 - 2⁵ = 9996509 is a prime.

9996541 is a lucky number.

It is a nialpdrome in base 10.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9996241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4998270 + 4998271.

It is an arithmetic number, because the mean of its divisors is an integer number (4998271).

Almost surely, 2^9996541 is an apocalyptic number.

It is an amenable number.

9996541 is a deficient number, since it is larger than the sum of its proper divisors (1).

9996541 is an equidigital number, since it uses as much as digits as its factorization.

9996541 is an evil number, because the sum of its binary digits is even.

The product of its digits is 87480, while the sum is 43.

The square root of 9996541 is about 3161.7306969443. The cubic root of 9996541 is about 215.4186255065.

It can be divided in two parts, 99 and 96541, that multiplied together give a palindrome (9557559).

The spelling of 9996541 in words is "nine million, nine hundred ninety-six thousand, five hundred forty-one".