242659801 has 4 divisors (see below), whose sum is σ = 249218212. Its totient is φ = 236101392.

The previous prime is 242659799. The next prime is 242659817. The reversal of 242659801 is 108956242.

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

It can be written as a sum of positive squares in 2 ways, for example, as 110754576 + 131905225 = 10524^2 + 11485^2 .

It is a cyclic number.

It is not a de Polignac number, because 242659801 - 2¹ = 242659799 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37), and also a Moran number because the ratio is a prime number: 6558373 = 242659801 / (2 + 4 + 2 + 6 + 5 + 9 + 8 + 0 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (242659831) 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 3 ways as a sum of consecutive naturals, for example, 3279150 + ... + 3279223.

It is an arithmetic number, because the mean of its divisors is an integer number (62304553).

Almost surely, 2^242659801 is an apocalyptic number.

It is an amenable number.

242659801 is a deficient number, since it is larger than the sum of its proper divisors (6558411).

242659801 is an equidigital number, since it uses as much as digits as its factorization.

242659801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6558410.

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 242659801 is about 15577.5415582819. The cubic root of 242659801 is about 623.7338000325.

The spelling of 242659801 in words is "two hundred forty-two million, six hundred fifty-nine thousand, eight hundred one".