2550559 has 12 divisors (see below), whose sum is σ = 2844072. Its totient is φ = 2285360.

The previous prime is 2550551. The next prime is 2550563. The reversal of 2550559 is 9550552.

It is not a de Polignac number, because 2550559 - 2³ = 2550551 is a prime.

2550559 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 2550559.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2550551) 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, 12849 + ... + 13045.

It is an arithmetic number, because the mean of its divisors is an integer number (237006).

2^2550559 is an apocalyptic number.

2550559 is a deficient number, since it is larger than the sum of its proper divisors (293513).

2550559 is a wasteful number, since it uses less digits than its factorization.

2550559 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326 (or 315 counting only the distinct ones).

The product of its (nonzero) digits is 11250, while the sum is 31.

The square root of 2550559 is about 1597.0469623652. The cubic root of 2550559 is about 136.6297031373.

The spelling of 2550559 in words is "two million, five hundred fifty thousand, five hundred fifty-nine".