2739225 has 12 divisors (see below), whose sum is σ = 4528976. Its totient is φ = 1460880.

The previous prime is 2739223. The next prime is 2739239. The reversal of 2739225 is 5229372.

It is a happy number.

It is not a de Polignac number, because 2739225 - 2¹ = 2739223 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2739192 and 2739201.

It is not an unprimeable number, because it can be changed into a prime (2739223) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18187 + ... + 18336.

2^2739225 is an apocalyptic number.

2739225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2739225 is a deficient number, since it is larger than the sum of its proper divisors (1789751).

2739225 is a wasteful number, since it uses less digits than its factorization.

2739225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36536 (or 36531 counting only the distinct ones).

The product of its digits is 7560, while the sum is 30.

The square root of 2739225 is about 1655.0604218578. The cubic root of 2739225 is about 139.9187453667.

The spelling of 2739225 in words is "two million, seven hundred thirty-nine thousand, two hundred twenty-five".