100241543 has 2 divisors, whose sum is σ = 100241544. Its totient is φ = 100241542.

The previous prime is 100241489. The next prime is 100241623. The reversal of 100241543 is 345142001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 100241543 - 2¹² = 100237447 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100241143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50120771 + 50120772.

It is an arithmetic number, because the mean of its divisors is an integer number (50120772).

Almost surely, 2^100241543 is an apocalyptic number.

100241543 is a deficient number, since it is larger than the sum of its proper divisors (1).

100241543 is an equidigital number, since it uses as much as digits as its factorization.

100241543 is an evil number, because the sum of its binary digits is even.

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

The square root of 100241543 is about 10012.0698659168. The cubic root of 100241543 is about 464.5322973013.

Adding to 100241543 its reverse (345142001), we get a palindrome (445383544).

The spelling of 100241543 in words is "one hundred million, two hundred forty-one thousand, five hundred forty-three".