2745125 has 8 divisors (see below), whose sum is σ = 3426072. Its totient is φ = 2196000.

The previous prime is 2745121. The next prime is 2745131. The reversal of 2745125 is 5215472.

2745125 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 9409 + 2735716 = 97^2 + 1654^2 .

It is not a de Polignac number, because 2745125 - 2² = 2745121 is a prime.

It is a super-2 number, since 2×2745125² = 15071422531250, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2745094 and 2745103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2745121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10856 + ... + 11105.

It is an arithmetic number, because the mean of its divisors is an integer number (428259).

2^2745125 is an apocalyptic number.

2745125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2745125 is a deficient number, since it is larger than the sum of its proper divisors (680947).

2745125 is an equidigital number, since it uses as much as digits as its factorization.

2745125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21976 (or 21966 counting only the distinct ones).

The product of its digits is 2800, while the sum is 26.

The square root of 2745125 is about 1656.8418753762. The cubic root of 2745125 is about 140.0191300390.

The spelling of 2745125 in words is "two million, seven hundred forty-five thousand, one hundred twenty-five".