2641543 has 2 divisors, whose sum is σ = 2641544. Its totient is φ = 2641542.

The previous prime is 2641531. The next prime is 2641547. The reversal of 2641543 is 3451462.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2641543 - 2⁹ = 2641031 is a prime.

It is a d-powerful number, because it can be written as 2²¹ + 6⁵ + 4⁵ + 1 + 5⁵ + 4⁵ + 3¹² .

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2641547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1320771 + 1320772.

It is an arithmetic number, because the mean of its divisors is an integer number (1320772).

2^2641543 is an apocalyptic number.

2641543 is a deficient number, since it is larger than the sum of its proper divisors (1).

2641543 is an equidigital number, since it uses as much as digits as its factorization.

2641543 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2880, while the sum is 25.

The square root of 2641543 is about 1625.2824369936. The cubic root of 2641543 is about 138.2353855759.

The spelling of 2641543 in words is "two million, six hundred forty-one thousand, five hundred forty-three".