241561633 has 2 divisors, whose sum is σ = 241561634. Its totient is φ = 241561632.

The previous prime is 241561603. The next prime is 241561643. The reversal of 241561633 is 336165142.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 198894609 + 42667024 = 14103^2 + 6532^2 .

It is a cyclic number.

It is not a de Polignac number, because 241561633 - 2⁵ = 241561601 is a prime.

It is equal to p_13242667 and since 241561633 and 13242667 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 241561595 and 241561604.

It is not a weakly prime, because it can be changed into another prime (241561603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120780816 + 120780817.

It is an arithmetic number, because the mean of its divisors is an integer number (120780817).

Almost surely, 2^241561633 is an apocalyptic number.

It is an amenable number.

241561633 is a deficient number, since it is larger than the sum of its proper divisors (1).

241561633 is an equidigital number, since it uses as much as digits as its factorization.

241561633 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12960, while the sum is 31.

The square root of 241561633 is about 15542.2531506857. The cubic root of 241561633 is about 622.7914651506.

The spelling of 241561633 in words is "two hundred forty-one million, five hundred sixty-one thousand, six hundred thirty-three".