5256143441 has 2 divisors, whose sum is σ = 5256143442. Its totient is φ = 5256143440.

The previous prime is 5256143429. The next prime is 5256143449. The reversal of 5256143441 is 1443416525.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4675140625 + 581002816 = 68375^2 + 24104^2 .

It is a cyclic number.

It is not a de Polignac number, because 5256143441 - 2⁶ = 5256143377 is a prime.

It is not a weakly prime, because it can be changed into another prime (5256143449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2628071720 + 2628071721.

It is an arithmetic number, because the mean of its divisors is an integer number (2628071721).

Almost surely, 2^5256143441 is an apocalyptic number.

It is an amenable number.

5256143441 is a deficient number, since it is larger than the sum of its proper divisors (1).

5256143441 is an equidigital number, since it uses as much as digits as its factorization.

5256143441 is an evil number, because the sum of its binary digits is even.

The product of its digits is 57600, while the sum is 35.

The square root of 5256143441 is about 72499.2651066202. The cubic root of 5256143441 is about 1738.6909872173.

Adding to 5256143441 its reverse (1443416525), we get a palindrome (6699559966).

The spelling of 5256143441 in words is "five billion, two hundred fifty-six million, one hundred forty-three thousand, four hundred forty-one".