242875 has 16 divisors (see below), whose sum is σ = 318240. Its totient is φ = 184800.

The previous prime is 242873. The next prime is 242887. The reversal of 242875 is 578242.

It is not a de Polignac number, because 242875 - 2¹ = 242873 is a prime.

It is not an unprimeable number, because it can be changed into a prime (242873) 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, 3592 + ... + 3658.

It is an arithmetic number, because the mean of its divisors is an integer number (19890).

2²⁴²⁸⁷⁵ is an apocalyptic number.

242875 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

242875 is a deficient number, since it is larger than the sum of its proper divisors (75365).

242875 is an equidigital number, since it uses as much as digits as its factorization.

242875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111 (or 101 counting only the distinct ones).

The product of its digits is 4480, while the sum is 28.

The square root of 242875 is about 492.8234978164. The cubic root of 242875 is about 62.3918128367.

Subtracting from 242875 its product of digits (4480), we obtain a triangular number (238395 = T₆₉₀).

The spelling of 242875 in words is "two hundred forty-two thousand, eight hundred seventy-five".