242501243 has 8 divisors (see below), whose sum is σ = 259260768. Its totient is φ = 226018944.

The previous prime is 242501227. The next prime is 242501249. The reversal of 242501243 is 342105242.

It is a happy number.

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

It is not a de Polignac number, because 242501243 - 2⁴ = 242501227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (242501249) 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, 67496 + ... + 70997.

It is an arithmetic number, because the mean of its divisors is an integer number (32407596).

Almost surely, 2^242501243 is an apocalyptic number.

242501243 is a deficient number, since it is larger than the sum of its proper divisors (16759525).

242501243 is a wasteful number, since it uses less digits than its factorization.

242501243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138613.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 242501243 is about 15572.4514126710. The cubic root of 242501243 is about 623.5979177097.

Adding to 242501243 its reverse (342105242), we get a palindrome (584606485).

The spelling of 242501243 in words is "two hundred forty-two million, five hundred one thousand, two hundred forty-three".