2564927 has 4 divisors (see below), whose sum is σ = 2569560. Its totient is φ = 2560296.

The previous prime is 2564921. The next prime is 2564957. The reversal of 2564927 is 7294652.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2564927 - 2¹⁴ = 2548543 is a prime.

It is a d-powerful number, because it can be written as 2 + 5⁹ + 6⁶ + 4⁷ + 9⁶ + 2⁹ + 7⁵ .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2564921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1352 + ... + 2637.

It is an arithmetic number, because the mean of its divisors is an integer number (642390).

2^2564927 is an apocalyptic number.

2564927 is a deficient number, since it is larger than the sum of its proper divisors (4633).

2564927 is an equidigital number, since it uses as much as digits as its factorization.

2564927 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4632.

The product of its digits is 30240, while the sum is 35.

The square root of 2564927 is about 1601.5389473878. The cubic root of 2564927 is about 136.8857804454.

The spelling of 2564927 in words is "two million, five hundred sixty-four thousand, nine hundred twenty-seven".