2565341 has 4 divisors (see below), whose sum is σ = 2569884. Its totient is φ = 2560800.

The previous prime is 2565319. The next prime is 2565347. The reversal of 2565341 is 1435652.

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 1836025 + 729316 = 1355^2 + 854^2 .

It is a cyclic number.

It is not a de Polignac number, because 2565341 - 2¹⁴ = 2548957 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2565341.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2565347) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1280 + ... + 2601.

It is an arithmetic number, because the mean of its divisors is an integer number (642471).

2^2565341 is an apocalyptic number.

It is an amenable number.

2565341 is a deficient number, since it is larger than the sum of its proper divisors (4543).

2565341 is an equidigital number, since it uses as much as digits as its factorization.

2565341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4542.

The product of its digits is 3600, while the sum is 26.

The square root of 2565341 is about 1601.6681928539. The cubic root of 2565341 is about 136.8931448739.

The spelling of 2565341 in words is "two million, five hundred sixty-five thousand, three hundred forty-one".