242975 has 6 divisors (see below), whose sum is σ = 301320. Its totient is φ = 194360.

The previous prime is 242971. The next prime is 242989. The reversal of 242975 is 579242.

It is not a de Polignac number, because 242975 - 2² = 242971 is a prime.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242971) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4835 + ... + 4884.

It is an arithmetic number, because the mean of its divisors is an integer number (50220).

2²⁴²⁹⁷⁵ is an apocalyptic number.

242975 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

242975 is a deficient number, since it is larger than the sum of its proper divisors (58345).

242975 is an equidigital number, since it uses as much as digits as its factorization.

242975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9729 (or 9724 counting only the distinct ones).

The product of its digits is 5040, while the sum is 29.

The square root of 242975 is about 492.9249435766. The cubic root of 242975 is about 62.4003746142.

The spelling of 242975 in words is "two hundred forty-two thousand, nine hundred seventy-five".