103806541 has 4 divisors (see below), whose sum is σ = 103942300. Its totient is φ = 103670784.

The previous prime is 103806499. The next prime is 103806583. The reversal of 103806541 is 145608301.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 145608301 = 8971 ⋅16231.

It is an interprime number because it is at equal distance from previous prime (103806499) and next prime (103806583).

It can be written as a sum of positive squares in 2 ways, for example, as 74321641 + 29484900 = 8621^2 + 5430^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-103806541 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103803541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66726 + ... + 68263.

It is an arithmetic number, because the mean of its divisors is an integer number (25985575).

Almost surely, 2^103806541 is an apocalyptic number.

It is an amenable number.

103806541 is a deficient number, since it is larger than the sum of its proper divisors (135759).

103806541 is an equidigital number, since it uses as much as digits as its factorization.

103806541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135758.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 103806541 is about 10188.5495042229. The cubic root of 103806541 is about 469.9751624116.

The spelling of 103806541 in words is "one hundred three million, eight hundred six thousand, five hundred forty-one".