2857125 has 32 divisors (see below), whose sum is σ = 5016960. Its totient is φ = 1440000.

The previous prime is 2857123. The next prime is 2857159. The reversal of 2857125 is 5217582.

2857125 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2857125 - 2¹ = 2857123 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2857092 and 2857101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2857123) 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 31 ways as a sum of consecutive naturals, for example, 6925 + ... + 7325.

It is an arithmetic number, because the mean of its divisors is an integer number (156780).

2^2857125 is an apocalyptic number.

2857125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2857125 is a deficient number, since it is larger than the sum of its proper divisors (2159835).

2857125 is a wasteful number, since it uses less digits than its factorization.

2857125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 438 (or 428 counting only the distinct ones).

The product of its digits is 5600, while the sum is 30.

The square root of 2857125 is about 1690.3032272347. The cubic root of 2857125 is about 141.8980455749.

It can be divided in two parts, 285 and 7125, that multiplied together give a square (2030625 = 1425²).

The spelling of 2857125 in words is "two million, eight hundred fifty-seven thousand, one hundred twenty-five".