99975041 has 2 divisors, whose sum is σ = 99975042. Its totient is φ = 99975040.

The previous prime is 99975019. The next prime is 99975047. The reversal of 99975041 is 14057999.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 81450625 + 18524416 = 9025^2 + 4304^2 .

It is a cyclic number.

It is not a de Polignac number, because 99975041 - 2²⁶ = 32866177 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 99974983 and 99975001.

It is not a weakly prime, because it can be changed into another prime (99975047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49987520 + 49987521.

It is an arithmetic number, because the mean of its divisors is an integer number (49987521).

Almost surely, 2^99975041 is an apocalyptic number.

It is an amenable number.

99975041 is a deficient number, since it is larger than the sum of its proper divisors (1).

99975041 is an equidigital number, since it uses as much as digits as its factorization.

99975041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 102060, while the sum is 44.

The square root of 99975041 is about 9998.7519721213. The cubic root of 99975041 is about 464.1202636762.

The spelling of 99975041 in words is "ninety-nine million, nine hundred seventy-five thousand, forty-one".