103409161 has 2 divisors, whose sum is σ = 103409162. Its totient is φ = 103409160.

The previous prime is 103409069. The next prime is 103409167. The reversal of 103409161 is 161904301.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 55591936 + 47817225 = 7456^2 + 6915^2 .

It is a cyclic number.

It is not a de Polignac number, because 103409161 - 2¹¹ = 103407113 is a prime.

It is not a weakly prime, because it can be changed into another prime (103409167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51704580 + 51704581.

It is an arithmetic number, because the mean of its divisors is an integer number (51704581).

Almost surely, 2^103409161 is an apocalyptic number.

It is an amenable number.

103409161 is a deficient number, since it is larger than the sum of its proper divisors (1).

103409161 is an equidigital number, since it uses as much as digits as its factorization.

103409161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 25.

The square root of 103409161 is about 10169.0295013831. The cubic root of 103409161 is about 469.3746943177.

The spelling of 103409161 in words is "one hundred three million, four hundred nine thousand, one hundred sixty-one".