2566485 has 20 divisors (see below), whose sum is σ = 4601388. Its totient is φ = 1368576.

The previous prime is 2566481. The next prime is 2566489. The reversal of 2566485 is 5846652.

2566485 is a `hidden beast` number, since 2 + 5 + 6 + 648 + 5 = 666.

2566485 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2566481) and next prime (2566489).

It can be written as a sum of positive squares in 2 ways, for example, as 910116 + 1656369 = 954^2 + 1287^2 .

It is not a de Polignac number, because 2566485 - 2² = 2566481 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2566481) 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 19 ways as a sum of consecutive naturals, for example, 2764 + ... + 3573.

2^2566485 is an apocalyptic number.

It is an amenable number.

2566485 is a deficient number, since it is larger than the sum of its proper divisors (2034903).

2566485 is an equidigital number, since it uses as much as digits as its factorization.

2566485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6354 (or 6345 counting only the distinct ones).

The product of its digits is 57600, while the sum is 36.

The square root of 2566485 is about 1602.0252806994. The cubic root of 2566485 is about 136.9134907700.

The spelling of 2566485 in words is "two million, five hundred sixty-six thousand, four hundred eighty-five".