242713613 has 4 divisors (see below), whose sum is σ = 242746140. Its totient is φ = 242681088.

The previous prime is 242713577. The next prime is 242713633. The reversal of 242713613 is 316317242.

It is a happy number.

242713613 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 177475684 + 65237929 = 13322^2 + 8077^2 .

It is a cyclic number.

It is not a de Polignac number, because 242713613 - 2¹² = 242709517 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242713633) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1133 + ... + 22061.

It is an arithmetic number, because the mean of its divisors is an integer number (60686535).

Almost surely, 2^242713613 is an apocalyptic number.

It is an amenable number.

242713613 is a deficient number, since it is larger than the sum of its proper divisors (32527).

242713613 is a wasteful number, since it uses less digits than its factorization.

242713613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32526.

The product of its digits is 6048, while the sum is 29.

The square root of 242713613 is about 15579.2686927211. The cubic root of 242713613 is about 623.7799028238.

The spelling of 242713613 in words is "two hundred forty-two million, seven hundred thirteen thousand, six hundred thirteen".