242417665 has 16 divisors (see below), whose sum is σ = 334667520. Its totient is φ = 165124800.

The previous prime is 242417663. The next prime is 242417711. The reversal of 242417665 is 566714242.

It is not a de Polignac number, because 242417665 - 2¹ = 242417663 is a prime.

It is not an unprimeable number, because it can be changed into a prime (242417663) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17650 + ... + 28219.

It is an arithmetic number, because the mean of its divisors is an integer number (20916720).

It is a Proth number, since it is equal to 3699 ⋅ 2¹⁶ + 1 and 3699 < 2¹⁶.

Almost surely, 2^242417665 is an apocalyptic number.

It is an amenable number.

242417665 is a deficient number, since it is larger than the sum of its proper divisors (92249855).

242417665 is a wasteful number, since it uses less digits than its factorization.

242417665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46032.

The product of its digits is 80640, while the sum is 37.

The square root of 242417665 is about 15569.7676604373. The cubic root of 242417665 is about 623.5262685161.

The spelling of 242417665 in words is "two hundred forty-two million, four hundred seventeen thousand, six hundred sixty-five".