2847725 has 6 divisors (see below), whose sum is σ = 3531210. Its totient is φ = 2278160.

The previous prime is 2847707. The next prime is 2847727. The reversal of 2847725 is 5277482.

It can be written as a sum of positive squares in 3 ways, for example, as 32041 + 2815684 = 179^2 + 1678^2 .

It is not a de Polignac number, because 2847725 - 2⁶ = 2847661 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2847727) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 56930 + ... + 56979.

It is an arithmetic number, because the mean of its divisors is an integer number (588535).

2^2847725 is an apocalyptic number.

2847725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2847725 is a deficient number, since it is larger than the sum of its proper divisors (683485).

2847725 is a wasteful number, since it uses less digits than its factorization.

2847725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113919 (or 113914 counting only the distinct ones).

The product of its digits is 31360, while the sum is 35.

The square root of 2847725 is about 1687.5203702474. The cubic root of 2847725 is about 141.7422587733.

The spelling of 2847725 in words is "two million, eight hundred forty-seven thousand, seven hundred twenty-five".