2565041 has 4 divisors (see below), whose sum is σ = 2613492. Its totient is φ = 2516592.

The previous prime is 2565023. The next prime is 2565047. The reversal of 2565041 is 1405652.

2565041 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1948816 + 616225 = 1396^2 + 785^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2565041 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2564998 and 2565016.

It is not an unprimeable number, because it can be changed into a prime (2565047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24146 + ... + 24251.

It is an arithmetic number, because the mean of its divisors is an integer number (653373).

2^2565041 is an apocalyptic number.

It is an amenable number.

2565041 is a deficient number, since it is larger than the sum of its proper divisors (48451).

2565041 is an equidigital number, since it uses as much as digits as its factorization.

2565041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48450.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 2565041 is about 1601.5745377596. The cubic root of 2565041 is about 136.8878084106.

It can be divided in two parts, 256 and 5041, that multiplied together give a square (1290496 = 1136²).

The spelling of 2565041 in words is "two million, five hundred sixty-five thousand, forty-one".