350552561 has 2 divisors, whose sum is σ = 350552562. Its totient is φ = 350552560.

The previous prime is 350552537. The next prime is 350552621. The reversal of 350552561 is 165255053.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 322884961 + 27667600 = 17969^2 + 5260^2 .

It is an emirp because it is prime and its reverse (165255053) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 350552561 - 2¹⁸ = 350290417 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (350552861) 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, 175276280 + 175276281.

It is an arithmetic number, because the mean of its divisors is an integer number (175276281).

Almost surely, 2^350552561 is an apocalyptic number.

It is an amenable number.

350552561 is a deficient number, since it is larger than the sum of its proper divisors (1).

350552561 is an equidigital number, since it uses as much as digits as its factorization.

350552561 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22500, while the sum is 32.

The square root of 350552561 is about 18723.0489237197. The cubic root of 350552561 is about 705.1005413003.

The spelling of 350552561 in words is "three hundred fifty million, five hundred fifty-two thousand, five hundred sixty-one".