242713 has 2 divisors, whose sum is σ = 242714. Its totient is φ = 242712.

The previous prime is 242689. The next prime is 242729. The reversal of 242713 is 317242.

242713 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 138384 + 104329 = 372^2 + 323^2 .

It is a cyclic number.

It is not a de Polignac number, because 242713 - 2⁵ = 242681 is a prime.

It is equal to p₂₁₄₄₈ and since 242713 and 21448 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (242773) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121356 + 121357.

It is an arithmetic number, because the mean of its divisors is an integer number (121357).

2²⁴²⁷¹³ is an apocalyptic number.

It is an amenable number.

242713 is a deficient number, since it is larger than the sum of its proper divisors (1).

242713 is an equidigital number, since it uses as much as digits as its factorization.

242713 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 336, while the sum is 19.

The square root of 242713 is about 492.6591113539. The cubic root of 242713 is about 62.3779377682.

Adding to 242713 its product of digits (336), we get a square (243049 = 493²).

Adding to 242713 its reverse (317242), we get a palindrome (559955).

Subtracting 242713 from its reverse (317242), we obtain a square (74529 = 273²).

The spelling of 242713 in words is "two hundred forty-two thousand, seven hundred thirteen".