242613 has 12 divisors (see below), whose sum is σ = 400608. Its totient is φ = 138600.

The previous prime is 242603. The next prime is 242617. The reversal of 242613 is 316242.

It is a happy number.

It is not a de Polignac number, because 242613 - 2⁸ = 242357 is a prime.

It is a super-2 number, since 2×242613² = 117722135538, which contains 22 as substring.

242613 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242617) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1863 + ... + 1988.

It is an arithmetic number, because the mean of its divisors is an integer number (33384).

2²⁴²⁶¹³ is an apocalyptic number.

It is an amenable number.

242613 is a deficient number, since it is larger than the sum of its proper divisors (157995).

242613 is a wasteful number, since it uses less digits than its factorization.

242613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3864 (or 3861 counting only the distinct ones).

The product of its digits is 288, while the sum is 18.

The square root of 242613 is about 492.5576108436. The cubic root of 242613 is about 62.3693698290.

Adding to 242613 its reverse (316242), we get a palindrome (558855).

The spelling of 242613 in words is "two hundred forty-two thousand, six hundred thirteen".