242413 has 2 divisors, whose sum is σ = 242414. Its totient is φ = 242412.

The previous prime is 242399. The next prime is 242419. The reversal of 242413 is 314242.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 227529 + 14884 = 477^2 + 122^2 .

It is a cyclic number.

It is not a de Polignac number, because 242413 - 2¹⁷ = 111341 is a prime.

242413 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (242419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121206 + 121207.

It is an arithmetic number, because the mean of its divisors is an integer number (121207).

2²⁴²⁴¹³ is an apocalyptic number.

It is an amenable number.

242413 is a deficient number, since it is larger than the sum of its proper divisors (1).

242413 is an equidigital number, since it uses as much as digits as its factorization.

242413 is an evil number, because the sum of its binary digits is even.

The product of its digits is 192, while the sum is 16.

The square root of 242413 is about 492.3545470492. The cubic root of 242413 is about 62.3522268851.

Adding to 242413 its reverse (314242), we get a palindrome (556655).

The spelling of 242413 in words is "two hundred forty-two thousand, four hundred thirteen".