242406001 has 2 divisors, whose sum is σ = 242406002. Its totient is φ = 242406000.

The previous prime is 242405987. The next prime is 242406013. The reversal of 242406001 is 100604242.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 184280625 + 58125376 = 13575^2 + 7624^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-242406001 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 242406001.

It is not a weakly prime, because it can be changed into another prime (242406061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121203000 + 121203001.

It is an arithmetic number, because the mean of its divisors is an integer number (121203001).

Almost surely, 2^242406001 is an apocalyptic number.

It is an amenable number.

242406001 is a deficient number, since it is larger than the sum of its proper divisors (1).

242406001 is an equidigital number, since it uses as much as digits as its factorization.

242406001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 242406001 is about 15569.3930838681. The cubic root of 242406001 is about 623.5162679701.

The spelling of 242406001 in words is "two hundred forty-two million, four hundred six thousand, one".