100504541 has 2 divisors, whose sum is σ = 100504542. Its totient is φ = 100504540.

The previous prime is 100504529. The next prime is 100504559. The reversal of 100504541 is 145405001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 100420441 + 84100 = 10021^2 + 290^2 .

It is a cyclic number.

It is not a de Polignac number, because 100504541 - 2¹⁸ = 100242397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100504501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50252270 + 50252271.

It is an arithmetic number, because the mean of its divisors is an integer number (50252271).

Almost surely, 2^100504541 is an apocalyptic number.

It is an amenable number.

100504541 is a deficient number, since it is larger than the sum of its proper divisors (1).

100504541 is an equidigital number, since it uses as much as digits as its factorization.

100504541 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 100504541 is about 10025.1953098182. The cubic root of 100504541 is about 464.9381981301.

Adding to 100504541 its reverse (145405001), we get a palindrome (245909542).

The spelling of 100504541 in words is "one hundred million, five hundred four thousand, five hundred forty-one".