2569005 has 12 divisors (see below), whose sum is σ = 4453020. Its totient is φ = 1370112.

The previous prime is 2569003. The next prime is 2569013. The reversal of 2569005 is 5009652.

It can be written as a sum of positive squares in 2 ways, for example, as 1004004 + 1565001 = 1002^2 + 1251^2 .

It is not a de Polignac number, because 2569005 - 2¹ = 2569003 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2569005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2569003) 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, 28500 + ... + 28589.

It is an arithmetic number, because the mean of its divisors is an integer number (371085).

2^2569005 is an apocalyptic number.

It is an amenable number.

2569005 is a deficient number, since it is larger than the sum of its proper divisors (1884015).

2569005 is a wasteful number, since it uses less digits than its factorization.

2569005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57100 (or 57097 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 27.

The square root of 2569005 is about 1602.8115921717. The cubic root of 2569005 is about 136.9582873347.

It can be divided in two parts, 256 and 9005, that added together give a cube (9261 = 21³).

The spelling of 2569005 in words is "two million, five hundred sixty-nine thousand, five".