2805253 has 4 divisors (see below), whose sum is σ = 3060288. Its totient is φ = 2550220.

The previous prime is 2805251. The next prime is 2805259. The reversal of 2805253 is 3525082.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2805253 - 2¹ = 2805251 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2805251) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 127501 + ... + 127522.

It is an arithmetic number, because the mean of its divisors is an integer number (765072).

2^2805253 is an apocalyptic number.

It is an amenable number.

2805253 is a deficient number, since it is larger than the sum of its proper divisors (255035).

2805253 is a wasteful number, since it uses less digits than its factorization.

2805253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255034.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 2805253 is about 1674.8889515428. Note that the first 3 decimals coincide. The cubic root of 2805253 is about 141.0340611507.

The spelling of 2805253 in words is "two million, eight hundred five thousand, two hundred fifty-three".