2540559 has 16 divisors (see below), whose sum is σ = 3893760. Its totient is φ = 1443360.

The previous prime is 2540539. The next prime is 2540563. The reversal of 2540559 is 9550452.

It is a happy number.

It is not a de Polignac number, because 2540559 - 2⁷ = 2540431 is a prime.

2540559 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2540519) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6337 + ... + 6725.

It is an arithmetic number, because the mean of its divisors is an integer number (243360).

2^2540559 is an apocalyptic number.

2540559 is a deficient number, since it is larger than the sum of its proper divisors (1353201).

2540559 is a wasteful number, since it uses less digits than its factorization.

2540559 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 710.

The product of its (nonzero) digits is 9000, while the sum is 30.

The square root of 2540559 is about 1593.9131093005. The cubic root of 2540559 is about 136.4509074891.

The spelling of 2540559 in words is "two million, five hundred forty thousand, five hundred fifty-nine".