242535489 has 16 divisors (see below), whose sum is σ = 375843840. Its totient is φ = 136242000.

The previous prime is 242535479. The next prime is 242535493. The reversal of 242535489 is 984535242.

It is not a de Polignac number, because 242535489 - 2²¹ = 240438337 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 242535489.

It is not an unprimeable number, because it can be changed into a prime (242535479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 96637 + ... + 99114.

It is an arithmetic number, because the mean of its divisors is an integer number (23490240).

Almost surely, 2^242535489 is an apocalyptic number.

It is an amenable number.

242535489 is a deficient number, since it is larger than the sum of its proper divisors (133308351).

242535489 is a wasteful number, since it uses less digits than its factorization.

242535489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195820.

The product of its digits is 345600, while the sum is 42.

The square root of 242535489 is about 15573.5509438278. The cubic root of 242535489 is about 623.6272711388.

The spelling of 242535489 in words is "two hundred forty-two million, five hundred thirty-five thousand, four hundred eighty-nine".