2740225 has 6 divisors (see below), whose sum is σ = 3397910. Its totient is φ = 2192160.

The previous prime is 2740223. The next prime is 2740249. The reversal of 2740225 is 5220472.

It can be written as a sum of positive squares in 3 ways, for example, as 646416 + 2093809 = 804^2 + 1447^2 .

It is not a de Polignac number, because 2740225 - 2¹ = 2740223 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2740196 and 2740205.

It is not an unprimeable number, because it can be changed into a prime (2740223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 54780 + ... + 54829.

It is a Proth number, since it is equal to 669 ⋅ 2¹² + 1 and 669 < 2¹².

2^2740225 is an apocalyptic number.

2740225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2740225 is a deficient number, since it is larger than the sum of its proper divisors (657685).

2740225 is a wasteful number, since it uses less digits than its factorization.

2740225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109619 (or 109614 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 22.

The square root of 2740225 is about 1655.3624980650. The cubic root of 2740225 is about 139.9357698563.

Adding to 2740225 its reverse (5220472), we get a palindrome (7960697).

The spelling of 2740225 in words is "two million, seven hundred forty thousand, two hundred twenty-five".