2580543 has 12 divisors (see below), whose sum is σ = 4260048. Its totient is φ = 1474560.

The previous prime is 2580541. The next prime is 2580547. The reversal of 2580543 is 3450852.

It is not a de Polignac number, because 2580543 - 2¹ = 2580541 is a prime.

It is an Ulam number.

2580543 is a lucky number.

It is a zygodrome in base 8.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2580541) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20418 + ... + 20543.

It is an arithmetic number, because the mean of its divisors is an integer number (355004).

2^2580543 is an apocalyptic number.

2580543 is a deficient number, since it is larger than the sum of its proper divisors (1679505).

2580543 is a wasteful number, since it uses less digits than its factorization.

2580543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40974 (or 40971 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 2580543 is about 1606.4068600451. The cubic root of 2580543 is about 137.1630183343.

The spelling of 2580543 in words is "two million, five hundred eighty thousand, five hundred forty-three".