242575019 has 8 divisors (see below), whose sum is σ = 247133040. Its totient is φ = 238032000.

The previous prime is 242575013. The next prime is 242575061. The reversal of 242575019 is 910575242.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-242575019 is a prime.

It is a super-2 number, since 2×242575019² = 117685279685700722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 242575019.

It is not an unprimeable number, because it can be changed into a prime (242575013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32039 + ... + 38879.

It is an arithmetic number, because the mean of its divisors is an integer number (30891630).

Almost surely, 2^242575019 is an apocalyptic number.

242575019 is a deficient number, since it is larger than the sum of its proper divisors (4558021).

242575019 is an equidigital number, since it uses as much as digits as its factorization.

242575019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7501.

The product of its (nonzero) digits is 25200, while the sum is 35.

The square root of 242575019 is about 15574.8200310630. The cubic root of 242575019 is about 623.6611502313.

The spelling of 242575019 in words is "two hundred forty-two million, five hundred seventy-five thousand, nineteen".