103530305 has 4 divisors (see below), whose sum is σ = 124236372. Its totient is φ = 82824240.

The previous prime is 103530269. The next prime is 103530313. The reversal of 103530305 is 503035301.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 503035301 = 139 ⋅3618959.

It can be written as a sum of positive squares in 2 ways, for example, as 56731024 + 46799281 = 7532^2 + 6841^2 .

It is not a de Polignac number, because 103530305 - 2⁶ = 103530241 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10353026 + ... + 10353035.

It is an arithmetic number, because the mean of its divisors is an integer number (31059093).

Almost surely, 2^103530305 is an apocalyptic number.

It is an amenable number.

103530305 is a deficient number, since it is larger than the sum of its proper divisors (20706067).

103530305 is an equidigital number, since it uses as much as digits as its factorization.

103530305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20706066.

The product of its (nonzero) digits is 675, while the sum is 20.

The square root of 103530305 is about 10174.9842751721. The cubic root of 103530305 is about 469.5579138611.

Adding to 103530305 its reverse (503035301), we get a palindrome (606565606).

The spelling of 103530305 in words is "one hundred three million, five hundred thirty thousand, three hundred five".