242535258 has 72 divisors (see below), whose sum is σ = 620871264. Its totient is φ = 67026960.

The previous prime is 242535229. The next prime is 242535281. The reversal of 242535258 is 852535242.

It is a happy number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 120085 + ... + 122087.

It is an arithmetic number, because the mean of its divisors is an integer number (8623212).

Almost surely, 2^242535258 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 242535258, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (310435632).

242535258 is an abundant number, since it is smaller than the sum of its proper divisors (378336006).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

242535258 is a wasteful number, since it uses less digits than its factorization.

242535258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2080 (or 2046 counting only the distinct ones).

The product of its digits is 96000, while the sum is 36.

The square root of 242535258 is about 15573.5435274057. The cubic root of 242535258 is about 623.6270731500.

The spelling of 242535258 in words is "two hundred forty-two million, five hundred thirty-five thousand, two hundred fifty-eight".