2643325 has 6 divisors (see below), whose sum is σ = 3277754. Its totient is φ = 2114640.

The previous prime is 2643307. The next prime is 2643331. The reversal of 2643325 is 5233462.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 190969 + 2452356 = 437^2 + 1566^2 .

It is not a de Polignac number, because 2643325 - 2¹¹ = 2641277 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25), and also a Moran number because the ratio is a prime number: 105733 = 2643325 / (2 + 6 + 4 + 3 + 3 + 2 + 5).

It is a d-powerful number, because it can be written as 2¹⁹ + 6 + 4 + 3⁷ + 3⁹ + 2²¹ + 5 .

It is a Duffinian number.

2643325 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 2643325.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 52842 + ... + 52891.

2^2643325 is an apocalyptic number.

2643325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2643325 is a deficient number, since it is larger than the sum of its proper divisors (634429).

2643325 is a wasteful number, since it uses less digits than its factorization.

2643325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105743 (or 105738 counting only the distinct ones).

The product of its digits is 4320, while the sum is 25.

The square root of 2643325 is about 1625.8305569770. The cubic root of 2643325 is about 138.2664633821.

Adding to 2643325 its reverse (5233462), we get a palindrome (7876787).

The spelling of 2643325 in words is "two million, six hundred forty-three thousand, three hundred twenty-five".