101075543 has 2 divisors, whose sum is σ = 101075544. Its totient is φ = 101075542.

The previous prime is 101075519. The next prime is 101075551. The reversal of 101075543 is 345570101.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101075543 is a prime.

It is a Sophie Germain 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 (101075243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50537771 + 50537772.

It is an arithmetic number, because the mean of its divisors is an integer number (50537772).

Almost surely, 2^101075543 is an apocalyptic number.

101075543 is a deficient number, since it is larger than the sum of its proper divisors (1).

101075543 is an equidigital number, since it uses as much as digits as its factorization.

101075543 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2100, while the sum is 26.

The square root of 101075543 is about 10053.6333233314. The cubic root of 101075543 is about 465.8170289305.

The spelling of 101075543 in words is "one hundred one million, seventy-five thousand, five hundred forty-three".