104203541 has 6 divisors (see below), whose sum is σ = 112835970. Its totient is φ = 96187728.

The previous prime is 104203537. The next prime is 104203553. The reversal of 104203541 is 145302401.

It can be written as a sum of positive squares in 3 ways, for example, as 1768900 + 102434641 = 1330^2 + 10121^2 .

It is not a de Polignac number, because 104203541 - 2² = 104203537 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104203571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 308126 + ... + 308463.

It is an arithmetic number, because the mean of its divisors is an integer number (18805995).

Almost surely, 2^104203541 is an apocalyptic number.

It is an amenable number.

104203541 is a deficient number, since it is larger than the sum of its proper divisors (8632429).

104203541 is an equidigital number, since it uses as much as digits as its factorization.

104203541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 616615 (or 616602 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 104203541 is about 10208.0135677810. The cubic root of 104203541 is about 470.5735280125.

Adding to 104203541 its reverse (145302401), we get a palindrome (249505942).

The spelling of 104203541 in words is "one hundred four million, two hundred three thousand, five hundred forty-one".