2765253 has 4 divisors (see below), whose sum is σ = 3687008.
Its totient is φ = 1843500.
The previous prime is 2765251. The next prime is 2765281. The reversal of 2765253 is 3525672.
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 not a de Polignac number, because 2765253 - 21 = 2765251 is a prime.
It is a D-number.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 2765253.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2765251) 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, 460873 + ... + 460878.
It is an arithmetic number, because the mean of its divisors is an integer number (921752).
22765253 is an apocalyptic number.
It is an amenable number.
2765253 is a deficient number, since it is larger than the sum of its proper divisors (921755).
2765253 is an equidigital number, since it uses as much as digits as its factorization.
2765253 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 921754.
The product of its digits is 12600, while the sum is 30.
The square root of 2765253 is about 1662.9049882660.
The cubic root of 2765253 is about 140.3605164093.
The spelling of 2765253 in words is "two million, seven hundred sixty-five thousand, two hundred fifty-three".