242417 has 4 divisors (see below), whose sum is σ = 277056. Its totient is φ = 207780.

The previous prime is 242413. The next prime is 242419. The reversal of 242417 is 714242.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 242417 - 2² = 242413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 242417.

It is not an unprimeable number, because it can be changed into a prime (242413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17309 + ... + 17322.

It is an arithmetic number, because the mean of its divisors is an integer number (69264).

2²⁴²⁴¹⁷ is an apocalyptic number.

It is an amenable number.

242417 is a deficient number, since it is larger than the sum of its proper divisors (34639).

242417 is an equidigital number, since it uses as much as digits as its factorization.

242417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34638.

The product of its digits is 448, while the sum is 20.

The square root of 242417 is about 492.3586091458. The cubic root of 242417 is about 62.3525698363.

Adding to 242417 its reverse (714242), we get a palindrome (956659).

The spelling of 242417 in words is "two hundred forty-two thousand, four hundred seventeen", and thus it is an iban number.