103530605 has 4 divisors (see below), whose sum is σ = 124236732. Its totient is φ = 82824480.

The previous prime is 103530599. The next prime is 103530653. The reversal of 103530605 is 506035301.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 506035301 = 1831 ⋅276371.

It can be written as a sum of positive squares in 2 ways, for example, as 42159049 + 61371556 = 6493^2 + 7834^2 .

It is not a de Polignac number, because 103530605 - 2¹⁴ = 103514221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 10353056 + ... + 10353065.

It is an arithmetic number, because the mean of its divisors is an integer number (31059183).

Almost surely, 2^103530605 is an apocalyptic number.

It is an amenable number.

103530605 is a deficient number, since it is larger than the sum of its proper divisors (20706127).

103530605 is an equidigital number, since it uses as much as digits as its factorization.

103530605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20706126.

The product of its (nonzero) digits is 1350, while the sum is 23.

The square root of 103530605 is about 10174.9990171990. Note that the first 3 decimals coincide. The cubic root of 103530605 is about 469.5583674071.

Adding to 103530605 its reverse (506035301), we get a palindrome (609565906).

The spelling of 103530605 in words is "one hundred three million, five hundred thirty thousand, six hundred five".