103500385 has 4 divisors (see below), whose sum is σ = 124200468. Its totient is φ = 82800304.

The previous prime is 103500379. The next prime is 103500389. The reversal of 103500385 is 583005301.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 33744481 + 69755904 = 5809^2 + 8352^2 .

It is a cyclic number.

It is not a de Polignac number, because 103500385 - 2¹⁷ = 103369313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103500389) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10350034 + ... + 10350043.

It is an arithmetic number, because the mean of its divisors is an integer number (31050117).

Almost surely, 2^103500385 is an apocalyptic number.

It is an amenable number.

103500385 is a deficient number, since it is larger than the sum of its proper divisors (20700083).

103500385 is an equidigital number, since it uses as much as digits as its factorization.

103500385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20700082.

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 103500385 is about 10173.5138963880. The cubic root of 103500385 is about 469.5126758142.

Adding to 103500385 its reverse (583005301), we get a palindrome (686505686).

The spelling of 103500385 in words is "one hundred three million, five hundred thousand, three hundred eighty-five".