2564254 has 16 divisors (see below), whose sum is σ = 4795776. Its totient is φ = 999000.

The previous prime is 2564251. The next prime is 2564279. The reversal of 2564254 is 4524652.

It is a d-powerful number, because it can be written as 2¹¹ + 5⁷ + 6⁶ + 4 + 2²¹ + 5⁷ + 4⁹ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2564251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8172 + ... + 8479.

It is an arithmetic number, because the mean of its divisors is an integer number (299736).

2^2564254 is an apocalyptic number.

2564254 is a deficient number, since it is larger than the sum of its proper divisors (2231522).

2564254 is a wasteful number, since it uses less digits than its factorization.

2564254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16671.

The product of its digits is 9600, while the sum is 28.

The square root of 2564254 is about 1601.3288231965. The cubic root of 2564254 is about 136.8738071107.

The spelling of 2564254 in words is "two million, five hundred sixty-four thousand, two hundred fifty-four".