103005305 has 8 divisors (see below), whose sum is σ = 133114632. Its totient is φ = 76065408.

The previous prime is 103005283. The next prime is 103005311. The reversal of 103005305 is 503500301.

It can be written as a sum of positive squares in 4 ways, for example, as 3644281 + 99361024 = 1909^2 + 9968^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 103005305 - 2¹⁶ = 102939769 is a prime.

It is a super-2 number, since 2×103005305² = 21220185716286050, which contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 792284 + ... + 792413.

It is an arithmetic number, because the mean of its divisors is an integer number (16639329).

Almost surely, 2^103005305 is an apocalyptic number.

It is an amenable number.

103005305 is a deficient number, since it is larger than the sum of its proper divisors (30109327).

103005305 is a wasteful number, since it uses less digits than its factorization.

103005305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1584715.

The product of its (nonzero) digits is 225, while the sum is 17.

The square root of 103005305 is about 10149.1529203180. The cubic root of 103005305 is about 468.7628623434.

Adding to 103005305 its reverse (503500301), we get a palindrome (606505606).

The spelling of 103005305 in words is "one hundred three million, five thousand, three hundred five".