242477 has 4 divisors (see below), whose sum is σ = 248160. Its totient is φ = 236796.

The previous prime is 242467. The next prime is 242479. The reversal of 242477 is 774242.

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 242477 - 2⁶ = 242413 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 (242479) 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, 2777 + ... + 2862.

It is an arithmetic number, because the mean of its divisors is an integer number (62040).

2²⁴²⁴⁷⁷ is an apocalyptic number.

It is an amenable number.

242477 is a deficient number, since it is larger than the sum of its proper divisors (5683).

242477 is an equidigital number, since it uses as much as digits as its factorization.

242477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5682.

The product of its digits is 3136, while the sum is 26.

The square root of 242477 is about 492.4195365743. The cubic root of 242477 is about 62.3577136527.

The spelling of 242477 in words is "two hundred forty-two thousand, four hundred seventy-seven", and thus it is an iban number.