242573 has 8 divisors (see below), whose sum is σ = 270720. Its totient is φ = 216000.

The previous prime is 242551. The next prime is 242591. The reversal of 242573 is 375242.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 242573 - 2⁶ = 242509 is a prime.

It is a d-powerful number, because it can be written as 2¹⁵ + 4⁴ + 5⁷ + 2¹⁷ + 7³ + 3² .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242533) 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 7 ways as a sum of consecutive naturals, for example, 53 + ... + 698.

It is an arithmetic number, because the mean of its divisors is an integer number (33840).

2²⁴²⁵⁷³ is an apocalyptic number.

It is an amenable number.

242573 is a deficient number, since it is larger than the sum of its proper divisors (28147).

242573 is a wasteful number, since it uses less digits than its factorization.

242573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 787.

The product of its digits is 1680, while the sum is 23.

The square root of 242573 is about 492.5170047826. The cubic root of 242573 is about 62.3659419941.

It can be divided in two parts, 24257 and 3, that multiplied together give a triangular number (72771 = T₃₈₁).

The spelling of 242573 in words is "two hundred forty-two thousand, five hundred seventy-three".