2565353 has 4 divisors (see below), whose sum is σ = 2931840. Its totient is φ = 2198868.

The previous prime is 2565349. The next prime is 2565377. The reversal of 2565353 is 3535652.

It is a happy number.

2565353 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 2565353 - 2² = 2565349 is a prime.

It is a d-powerful number, because it can be written as 2⁹ + 5³ + 6⁴ + 5⁷ + 3⁶ + 5⁹ + 3¹² .

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2565383) 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, 183233 + ... + 183246.

It is an arithmetic number, because the mean of its divisors is an integer number (732960).

2^2565353 is an apocalyptic number.

It is an amenable number.

2565353 is a deficient number, since it is larger than the sum of its proper divisors (366487).

2565353 is an equidigital number, since it uses as much as digits as its factorization.

2565353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 366486.

The product of its digits is 13500, while the sum is 29.

The square root of 2565353 is about 1601.6719389438. The cubic root of 2565353 is about 136.8933583238.

Subtracting 2565353 from its reverse (3535652), we obtain a cube (970299 = 99³).

The spelling of 2565353 in words is "two million, five hundred sixty-five thousand, three hundred fifty-three".