2548765 has 8 divisors (see below), whose sum is σ = 3133368. Its totient is φ = 1989120.

The previous prime is 2548757. The next prime is 2548769. The reversal of 2548765 is 5678452.

It is a happy number.

2548765 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 71289 + 2477476 = 267^2 + 1574^2 .

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

It is not a de Polignac number, because 2548765 - 2³ = 2548757 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 (2548769) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6012 + ... + 6421.

It is an arithmetic number, because the mean of its divisors is an integer number (391671).

2^2548765 is an apocalyptic number.

It is an amenable number.

2548765 is a deficient number, since it is larger than the sum of its proper divisors (584603).

2548765 is a wasteful number, since it uses less digits than its factorization.

2548765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12479.

The product of its digits is 67200, while the sum is 37.

The square root of 2548765 is about 1596.4852019358. The cubic root of 2548765 is about 136.5976616412.

It can be divided in two parts, 25487 and 65, that added together give a palindrome (25552).

The spelling of 2548765 in words is "two million, five hundred forty-eight thousand, seven hundred sixty-five".