2788325 has 6 divisors (see below), whose sum is σ = 3457554. Its totient is φ = 2230640.

The previous prime is 2788309. The next prime is 2788327. The reversal of 2788325 is 5238872.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 12769 + 2775556 = 113^2 + 1666^2 .

It is not a de Polignac number, because 2788325 - 2⁴ = 2788309 is a prime.

It is a d-powerful number, because it can be written as 2¹⁴ + 7² + 8³ + 8⁶ + 3¹³ + 2¹⁹ + 5⁸ .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2788327) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 55742 + ... + 55791.

It is an arithmetic number, because the mean of its divisors is an integer number (576259).

2^2788325 is an apocalyptic number.

2788325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2788325 is a deficient number, since it is larger than the sum of its proper divisors (669229).

2788325 is a wasteful number, since it uses less digits than its factorization.

2788325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111543 (or 111538 counting only the distinct ones).

The product of its digits is 26880, while the sum is 35.

The square root of 2788325 is about 1669.8278354369. The cubic root of 2788325 is about 140.7498036083.

It can be divided in two parts, 2788 and 325, that added together give a palindrome (3113).

The spelling of 2788325 in words is "two million, seven hundred eighty-eight thousand, three hundred twenty-five".