242537255 has 4 divisors (see below), whose sum is σ = 291044712. Its totient is φ = 194029800.

The previous prime is 242537233. The next prime is 242537279. The reversal of 242537255 is 552735242.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 242537255 - 2¹⁴ = 242520871 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24253721 + ... + 24253730.

It is an arithmetic number, because the mean of its divisors is an integer number (72761178).

Almost surely, 2^242537255 is an apocalyptic number.

242537255 is a deficient number, since it is larger than the sum of its proper divisors (48507457).

242537255 is an equidigital number, since it uses as much as digits as its factorization.

242537255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48507456.

The product of its digits is 84000, while the sum is 35.

The square root of 242537255 is about 15573.6076424186. The cubic root of 242537255 is about 623.6287847634.

The spelling of 242537255 in words is "two hundred forty-two million, five hundred thirty-seven thousand, two hundred fifty-five".