101003543 has 2 divisors, whose sum is σ = 101003544. Its totient is φ = 101003542.

The previous prime is 101003503. The next prime is 101003561. The reversal of 101003543 is 345300101.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 101003543 - 2²² = 96809239 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101003503) 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 as a sum of consecutive naturals, namely, 50501771 + 50501772.

It is an arithmetic number, because the mean of its divisors is an integer number (50501772).

Almost surely, 2^101003543 is an apocalyptic number.

101003543 is a deficient number, since it is larger than the sum of its proper divisors (1).

101003543 is an equidigital number, since it uses as much as digits as its factorization.

101003543 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 101003543 is about 10050.0518904133. The cubic root of 101003543 is about 465.7063961902.

Adding to 101003543 its reverse (345300101), we get a palindrome (446303644).

The spelling of 101003543 in words is "one hundred one million, three thousand, five hundred forty-three".