2185057 has 12 divisors (see below), whose sum is σ = 2676720. Its totient is φ = 1773576.

The previous prime is 2185037. The next prime is 2185091. The reversal of 2185057 is 7505812.

It is not a de Polignac number, because 2185057 - 2⁷ = 2184929 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2185037) 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, 243 + ... + 2104.

It is an arithmetic number, because the mean of its divisors is an integer number (223060).

2^2185057 is an apocalyptic number.

It is an amenable number.

2185057 is a deficient number, since it is larger than the sum of its proper divisors (491663).

2185057 is a wasteful number, since it uses less digits than its factorization.

2185057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2380 (or 2373 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 28.

The square root of 2185057 is about 1478.1938303213. The cubic root of 2185057 is about 129.7640097336.

It can be divided in two parts, 21 and 85057, that added together give a triangular number (85078 = T₄₁₂).

The spelling of 2185057 in words is "two million, one hundred eighty-five thousand, fifty-seven".