2107543 has 2 divisors, whose sum is σ = 2107544. Its totient is φ = 2107542.

The previous prime is 2107531. The next prime is 2107601. The reversal of 2107543 is 3457012.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2107543 - 2²¹ = 10391 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2107243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1053771 + 1053772.

It is an arithmetic number, because the mean of its divisors is an integer number (1053772).

2^2107543 is an apocalyptic number.

2107543 is a deficient number, since it is larger than the sum of its proper divisors (1).

2107543 is an equidigital number, since it uses as much as digits as its factorization.

2107543 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 2107543 is about 1451.7379240069. The cubic root of 2107543 is about 128.2110572359.

The spelling of 2107543 in words is "two million, one hundred seven thousand, five hundred forty-three".