2565213 has 32 divisors (see below), whose sum is σ = 4202496. Its totient is φ = 1360128.

The previous prime is 2565203. The next prime is 2565221. The reversal of 2565213 is 3125652.

2565213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2565213 - 2⁶ = 2565149 is a prime.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2565203) 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 31 ways as a sum of consecutive naturals, for example, 22645 + ... + 22757.

It is an arithmetic number, because the mean of its divisors is an integer number (131328).

2^2565213 is an apocalyptic number.

2565213 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

2565213 is a deficient number, since it is larger than the sum of its proper divisors (1637283).

2565213 is a wasteful number, since it uses less digits than its factorization.

2565213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193.

The product of its digits is 1800, while the sum is 24.

The square root of 2565213 is about 1601.6282340169. The cubic root of 2565213 is about 136.8908680338.

The spelling of 2565213 in words is "two million, five hundred sixty-five thousand, two hundred thirteen".