242599 has 6 divisors (see below), whose sum is σ = 282264. Its totient is φ = 207900.

The previous prime is 242591. The next prime is 242603. The reversal of 242599 is 995242.

242599 = T₇₄ + T₇₅ + ... + T₁₂₂.

It is not a de Polignac number, because 242599 - 2³ = 242591 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 242599.

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 polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2427 + ... + 2524.

It is an arithmetic number, because the mean of its divisors is an integer number (47044).

2²⁴²⁵⁹⁹ is an apocalyptic number.

242599 is a deficient number, since it is larger than the sum of its proper divisors (39665).

242599 is an equidigital number, since it uses as much as digits as its factorization.

242599 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4965 (or 4958 counting only the distinct ones).

The product of its digits is 6480, while the sum is 31.

The square root of 242599 is about 492.5433991031. The cubic root of 242599 is about 62.3681701297.

It can be divided in two parts, 242 and 599, that added together give a square (841 = 29²).

The spelling of 242599 in words is "two hundred forty-two thousand, five hundred ninety-nine".