2565253 has 8 divisors (see below), whose sum is σ = 2705400. Its totient is φ = 2428608.

The previous prime is 2565239. The next prime is 2565257. The reversal of 2565253 is 3525652.

It can be written as a sum of positive squares in 4 ways, for example, as 669124 + 1896129 = 818^2 + 1377^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2565253 - 2⁵ = 2565221 is a prime.

It is a Duffinian 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 in 7 ways as a sum of consecutive naturals, for example, 703 + ... + 2371.

It is an arithmetic number, because the mean of its divisors is an integer number (338175).

2^2565253 is an apocalyptic number.

It is an amenable number.

2565253 is a deficient number, since it is larger than the sum of its proper divisors (140147).

2565253 is a wasteful number, since it uses less digits than its factorization.

2565253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1751.

The product of its digits is 9000, while the sum is 28.

The square root of 2565253 is about 1601.6407212605. The cubic root of 2565253 is about 136.8915795544.

It can be divided in two parts, 25652 and 53, that multiplied together give a square (1359556 = 1166²).

The spelling of 2565253 in words is "two million, five hundred sixty-five thousand, two hundred fifty-three".