103501543 has 4 divisors (see below), whose sum is σ = 106298920. Its totient is φ = 100704168.

The previous prime is 103501513. The next prime is 103501583. The reversal of 103501543 is 345105301.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 103501543 - 2⁵ = 103501511 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 (103501513) 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, 1398633 + ... + 1398706.

It is an arithmetic number, because the mean of its divisors is an integer number (26574730).

Almost surely, 2^103501543 is an apocalyptic number.

103501543 is a deficient number, since it is larger than the sum of its proper divisors (2797377).

103501543 is an equidigital number, since it uses as much as digits as its factorization.

103501543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2797376.

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 103501543 is about 10173.5708087180. The cubic root of 103501543 is about 469.5144268339.

Adding to 103501543 its reverse (345105301), we get a palindrome (448606844).

The spelling of 103501543 in words is "one hundred three million, five hundred one thousand, five hundred forty-three".