242595 has 20 divisors (see below), whose sum is σ = 435600. Its totient is φ = 129168.

The previous prime is 242591. The next prime is 242603. The reversal of 242595 is 595242.

It is not a de Polignac number, because 242595 - 2² = 242591 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242591) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 106 + ... + 704.

It is an arithmetic number, because the mean of its divisors is an integer number (21780).

2²⁴²⁵⁹⁵ is an apocalyptic number.

242595 is a deficient number, since it is larger than the sum of its proper divisors (193005).

242595 is an equidigital number, since it uses as much as digits as its factorization.

242595 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 616 (or 607 counting only the distinct ones).

The product of its digits is 3600, while the sum is 27.

The square root of 242595 is about 492.5393385304. The cubic root of 242595 is about 62.3678273500.

The spelling of 242595 in words is "two hundred forty-two thousand, five hundred ninety-five".