242450401 has 2 divisors, whose sum is σ = 242450402. Its totient is φ = 242450400.

The previous prime is 242450389. The next prime is 242450419. The reversal of 242450401 is 104054242.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 216796176 + 25654225 = 14724^2 + 5065^2 .

It is a cyclic number.

It is not a de Polignac number, because 242450401 - 2¹⁵ = 242417633 is a prime.

It is not a weakly prime, because it can be changed into another prime (242450441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121225200 + 121225201.

It is an arithmetic number, because the mean of its divisors is an integer number (121225201).

Almost surely, 2^242450401 is an apocalyptic number.

It is an amenable number.

242450401 is a deficient number, since it is larger than the sum of its proper divisors (1).

242450401 is an equidigital number, since it uses as much as digits as its factorization.

242450401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1280, while the sum is 22.

The square root of 242450401 is about 15570.8188930448. The cubic root of 242450401 is about 623.5543341788.

It can be divided in two parts, 2424 and 50401, that added together give a palindrome (52825).

The spelling of 242450401 in words is "two hundred forty-two million, four hundred fifty thousand, four hundred one".