2043242401 has 2 divisors, whose sum is σ = 2043242402. Its totient is φ = 2043242400.

The previous prime is 2043242353. The next prime is 2043242413. The reversal of 2043242401 is 1042423402.

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., 2011432801 + 31809600 = 44849^2 + 5640^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2043242401 is a prime.

It is not a weakly prime, because it can be changed into another prime (2043242441) 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 as a sum of consecutive naturals, namely, 1021621200 + 1021621201.

It is an arithmetic number, because the mean of its divisors is an integer number (1021621201).

Almost surely, 2^2043242401 is an apocalyptic number.

It is an amenable number.

2043242401 is a deficient number, since it is larger than the sum of its proper divisors (1).

2043242401 is an equidigital number, since it uses as much as digits as its factorization.

2043242401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 2043242401 is about 45202.2388936654. The cubic root of 2043242401 is about 1268.9367174512.

Adding to 2043242401 its reverse (1042423402), we get a palindrome (3085665803).

The spelling of 2043242401 in words is "two billion, forty-three million, two hundred forty-two thousand, four hundred one".