4252400443 has 2 divisors, whose sum is σ = 4252400444. Its totient is φ = 4252400442.

The previous prime is 4252400441. The next prime is 4252400473. The reversal of 4252400443 is 3440042524.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4252400443 - 2¹ = 4252400441 is a prime.

Together with 4252400441, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (4252400441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2126200221 + 2126200222.

It is an arithmetic number, because the mean of its divisors is an integer number (2126200222).

Almost surely, 2^4252400443 is an apocalyptic number.

4252400443 is a deficient number, since it is larger than the sum of its proper divisors (1).

4252400443 is an equidigital number, since it uses as much as digits as its factorization.

4252400443 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15360, while the sum is 28.

The square root of 4252400443 is about 65210.4320105303. The cubic root of 4252400443 is about 1620.1108041622.

Adding to 4252400443 its reverse (3440042524), we get a palindrome (7692442967).

The spelling of 4252400443 in words is "four billion, two hundred fifty-two million, four hundred thousand, four hundred forty-three".