2757225 has 24 divisors (see below), whose sum is σ = 4617760. Its totient is φ = 1451520.

The previous prime is 2757221. The next prime is 2757229. The reversal of 2757225 is 5227572.

It is an interprime number because it is at equal distance from previous prime (2757221) and next prime (2757229).

It is not a de Polignac number, because 2757225 - 2² = 2757221 is a prime.

It is a Curzon number.

2757225 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 2757192 and 2757201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2757221) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7086 + ... + 7464.

2^2757225 is an apocalyptic number.

2757225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2757225 is a deficient number, since it is larger than the sum of its proper divisors (1860535).

2757225 is a wasteful number, since it uses less digits than its factorization.

2757225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 489 (or 484 counting only the distinct ones).

The product of its digits is 9800, while the sum is 30.

The square root of 2757225 is about 1660.4893856933. The cubic root of 2757225 is about 140.2245545965.

The spelling of 2757225 in words is "two million, seven hundred fifty-seven thousand, two hundred twenty-five".