202871 has 4 divisors (see below), whose sum is σ = 208392. Its totient is φ = 197352.

The previous prime is 202859. The next prime is 202877. The reversal of 202871 is 178202.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 178202 = 2 ⋅89101.

It is a cyclic number.

It is not a de Polignac number, because 202871 - 2¹⁰ = 201847 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 202871.

It is not an unprimeable number, because it can be changed into a prime (202877) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2705 + ... + 2778.

It is an arithmetic number, because the mean of its divisors is an integer number (52098).

2²⁰²⁸⁷¹ is an apocalyptic number.

202871 is a deficient number, since it is larger than the sum of its proper divisors (5521).

202871 is an equidigital number, since it uses as much as digits as its factorization.

202871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5520.

The product of its (nonzero) digits is 224, while the sum is 20.

The square root of 202871 is about 450.4120335870. The cubic root of 202871 is about 58.7588548597.

The spelling of 202871 in words is "two hundred two thousand, eight hundred seventy-one".