2565254 has 4 divisors (see below), whose sum is σ = 3847884. Its totient is φ = 1282626.

The previous prime is 2565239. The next prime is 2565257. The reversal of 2565254 is 4525652.

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

It is an alternating number because its digits alternate between even and odd.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2565257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 641312 + ... + 641315.

It is an arithmetic number, because the mean of its divisors is an integer number (961971).

2^2565254 is an apocalyptic number.

2565254 is a deficient number, since it is larger than the sum of its proper divisors (1282630).

2565254 is a wasteful number, since it uses less digits than its factorization.

2565254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1282629.

The product of its digits is 12000, while the sum is 29.

The square root of 2565254 is about 1601.6410334404. The cubic root of 2565254 is about 136.8915973424.

The spelling of 2565254 in words is "two million, five hundred sixty-five thousand, two hundred fifty-four".