212875 has 16 divisors (see below), whose sum is σ = 288288. Its totient is φ = 156000.

The previous prime is 212873. The next prime is 212881. The reversal of 212875 is 578212.

It is not a de Polignac number, because 212875 - 2¹ = 212873 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212873) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1560 + ... + 1690.

It is an arithmetic number, because the mean of its divisors is an integer number (18018).

2²¹²⁸⁷⁵ is an apocalyptic number.

212875 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

212875 is a deficient number, since it is larger than the sum of its proper divisors (75413).

212875 is a wasteful number, since it uses less digits than its factorization.

212875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159 (or 149 counting only the distinct ones).

The product of its digits is 1120, while the sum is 25.

The square root of 212875 is about 461.3837881851. The cubic root of 212875 is about 59.7092414149.

212875 divided by its sum of digits (25) gives a triangular number (8515 = T₁₃₀).

The spelling of 212875 in words is "two hundred twelve thousand, eight hundred seventy-five".