2566235 has 32 divisors (see below), whose sum is σ = 3939840. Its totient is φ = 1562112.

The previous prime is 2566229. The next prime is 2566237. The reversal of 2566235 is 5326652.

2566235 = T₂₀₂ + T₂₀₃ + ... + T₂₈₆.

It is a happy number.

2566235 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 2566235 - 2⁴ = 2566219 is a prime.

It is a d-powerful number, because it can be written as 2²⁰ + 5⁷ + 6² + 6³ + 2²⁰ + 3⁴ + 5⁸ .

It is a junction number, because it is equal to n+sod(n) for n = 2566198 and 2566207.

It is not an unprimeable number, because it can be changed into a prime (2566237) 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, 11192 + ... + 11418.

It is an arithmetic number, because the mean of its divisors is an integer number (123120).

2^2566235 is an apocalyptic number.

2566235 is a deficient number, since it is larger than the sum of its proper divisors (1373605).

2566235 is a wasteful number, since it uses less digits than its factorization.

2566235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275.

The product of its digits is 10800, while the sum is 29.

The square root of 2566235 is about 1601.9472525648. The cubic root of 2566235 is about 136.9090450678.

The spelling of 2566235 in words is "two million, five hundred sixty-six thousand, two hundred thirty-five".