104131541 has 2 divisors, whose sum is σ = 104131542. Its totient is φ = 104131540.

The previous prime is 104131523. The next prime is 104131549. The reversal of 104131541 is 145131401.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 100600900 + 3530641 = 10030^2 + 1879^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-104131541 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (104131549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52065770 + 52065771.

It is an arithmetic number, because the mean of its divisors is an integer number (52065771).

Almost surely, 2^104131541 is an apocalyptic number.

It is an amenable number.

104131541 is a deficient number, since it is larger than the sum of its proper divisors (1).

104131541 is an equidigital number, since it uses as much as digits as its factorization.

104131541 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 104131541 is about 10204.4863173018. The cubic root of 104131541 is about 470.4651212662.

Adding to 104131541 its reverse (145131401), we get a palindrome (249262942).

The spelling of 104131541 in words is "one hundred four million, one hundred thirty-one thousand, five hundred forty-one".