103469209 has 2 divisors, whose sum is σ = 103469210. Its totient is φ = 103469208.

The previous prime is 103469207. The next prime is 103469263. The reversal of 103469209 is 902964301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 98307225 + 5161984 = 9915^2 + 2272^2 .

It is a cyclic number.

It is not a de Polignac number, because 103469209 - 2¹ = 103469207 is a prime.

It is a super-2 number, since 2×103469209² = 21411754422171362, which contains 22 as substring.

Together with 103469207, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (103469207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51734604 + 51734605.

It is an arithmetic number, because the mean of its divisors is an integer number (51734605).

Almost surely, 2^103469209 is an apocalyptic number.

It is an amenable number.

103469209 is a deficient number, since it is larger than the sum of its proper divisors (1).

103469209 is an equidigital number, since it uses as much as digits as its factorization.

103469209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11664, while the sum is 34.

The square root of 103469209 is about 10171.9815670301. The cubic root of 103469209 is about 469.4655294610.

The spelling of 103469209 in words is "one hundred three million, four hundred sixty-nine thousand, two hundred nine".