101255543 has 2 divisors, whose sum is σ = 101255544. Its totient is φ = 101255542.

The previous prime is 101255521. The next prime is 101255551. The reversal of 101255543 is 345552101.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 101255543 - 2¹⁰ = 101254519 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101255513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50627771 + 50627772.

It is an arithmetic number, because the mean of its divisors is an integer number (50627772).

Almost surely, 2^101255543 is an apocalyptic number.

101255543 is a deficient number, since it is larger than the sum of its proper divisors (1).

101255543 is an equidigital number, since it uses as much as digits as its factorization.

101255543 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 101255543 is about 10062.5813288639. The cubic root of 101255543 is about 466.0933811155.

The spelling of 101255543 in words is "one hundred one million, two hundred fifty-five thousand, five hundred forty-three".