242662001 has 4 divisors (see below), whose sum is σ = 245986212. Its totient is φ = 239337792.

The previous prime is 242661997. The next prime is 242662003. The reversal of 242662001 is 100266242.

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 201072400 + 41589601 = 14180^2 + 6449^2 .

It is a cyclic number.

It is not a de Polignac number, because 242662001 - 2² = 242661997 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (242662003) 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, 1661996 + ... + 1662141.

It is an arithmetic number, because the mean of its divisors is an integer number (61496553).

Almost surely, 2^242662001 is an apocalyptic number.

It is an amenable number.

242662001 is a deficient number, since it is larger than the sum of its proper divisors (3324211).

242662001 is an equidigital number, since it uses as much as digits as its factorization.

242662001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3324210.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 242662001 is about 15577.6121726021. The cubic root of 242662001 is about 623.7356849900.

The spelling of 242662001 in words is "two hundred forty-two million, six hundred sixty-two thousand, one".