103883561 has 2 divisors, whose sum is σ = 103883562. Its totient is φ = 103883560.

The previous prime is 103883543. The next prime is 103883609. The reversal of 103883561 is 165388301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 73633561 + 30250000 = 8581^2 + 5500^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-103883561 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 (103883261) 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, 51941780 + 51941781.

It is an arithmetic number, because the mean of its divisors is an integer number (51941781).

Almost surely, 2^103883561 is an apocalyptic number.

It is an amenable number.

103883561 is a deficient number, since it is larger than the sum of its proper divisors (1).

103883561 is an equidigital number, since it uses as much as digits as its factorization.

103883561 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 103883561 is about 10192.3285366986. The cubic root of 103883561 is about 470.0913674793.

The spelling of 103883561 in words is "one hundred three million, eight hundred eighty-three thousand, five hundred sixty-one".