242443801 has 2 divisors, whose sum is σ = 242443802. Its totient is φ = 242443800.

The previous prime is 242443739. The next prime is 242443807. The reversal of 242443801 is 108344242.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 241771401 + 672400 = 15549^2 + 820^2 .

It is a cyclic number.

It is not a de Polignac number, because 242443801 - 2¹¹ = 242441753 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 242443801.

It is not a weakly prime, because it can be changed into another prime (242443807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121221900 + 121221901.

It is an arithmetic number, because the mean of its divisors is an integer number (121221901).

Almost surely, 2^242443801 is an apocalyptic number.

It is an amenable number.

242443801 is a deficient number, since it is larger than the sum of its proper divisors (1).

242443801 is an equidigital number, since it uses as much as digits as its factorization.

242443801 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6144, while the sum is 28.

The square root of 242443801 is about 15570.6069566989. The cubic root of 242443801 is about 623.5486759824.

It can be divided in two parts, 2424 and 43801, that added together give a square (46225 = 215²).

The spelling of 242443801 in words is "two hundred forty-two million, four hundred forty-three thousand, eight hundred one".