242401255 has 8 divisors (see below), whose sum is σ = 303528672. Its totient is φ = 185489568.

The previous prime is 242401253. The next prime is 242401261. The reversal of 242401255 is 552104242.

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 242401255 - 2¹ = 242401253 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 (242401253) 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, 1053804 + ... + 1054033.

It is an arithmetic number, because the mean of its divisors is an integer number (37941084).

Almost surely, 2^242401255 is an apocalyptic number.

242401255 is a deficient number, since it is larger than the sum of its proper divisors (61127417).

242401255 is a wasteful number, since it uses less digits than its factorization.

242401255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2107865.

The product of its (nonzero) digits is 3200, while the sum is 25.

The square root of 242401255 is about 15569.2406687031. The cubic root of 242401255 is about 623.5121987261.

Adding to 242401255 its reverse (552104242), we get a palindrome (794505497).

The spelling of 242401255 in words is "two hundred forty-two million, four hundred one thousand, two hundred fifty-five".