242506253 has 8 divisors (see below), whose sum is σ = 278476320. Its totient is φ = 208856880.

The previous prime is 242506213. The next prime is 242506261. The reversal of 242506253 is 352605242.

242506253 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 242506253 - 2¹⁰ = 242505229 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 (242506213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 579950 + ... + 580367.

It is an arithmetic number, because the mean of its divisors is an integer number (34809540).

Almost surely, 2^242506253 is an apocalyptic number.

It is an amenable number.

242506253 is a deficient number, since it is larger than the sum of its proper divisors (35970067).

242506253 is a wasteful number, since it uses less digits than its factorization.

242506253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1160347.

The product of its (nonzero) digits is 14400, while the sum is 29.

The square root of 242506253 is about 15572.6122728334. The cubic root of 242506253 is about 623.6022121263.

It can be divided in two parts, 24250 and 6253, that added together give a palindrome (30503).

The spelling of 242506253 in words is "two hundred forty-two million, five hundred six thousand, two hundred fifty-three".