5265621043 has 2 divisors, whose sum is σ = 5265621044. Its totient is φ = 5265621042.

The previous prime is 5265621019. The next prime is 5265621047. The reversal of 5265621043 is 3401265625.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5265621043 - 2⁹ = 5265620531 is a prime.

It is not a weakly prime, because it can be changed into another prime (5265621047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2632810521 + 2632810522.

It is an arithmetic number, because the mean of its divisors is an integer number (2632810522).

Almost surely, 2^5265621043 is an apocalyptic number.

5265621043 is a deficient number, since it is larger than the sum of its proper divisors (1).

5265621043 is an equidigital number, since it uses as much as digits as its factorization.

5265621043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 43200, while the sum is 34.

The square root of 5265621043 is about 72564.5991031440. The cubic root of 5265621043 is about 1739.7353985055.

Adding to 5265621043 its reverse (3401265625), we get a palindrome (8666886668).

The spelling of 5265621043 in words is "five billion, two hundred sixty-five million, six hundred twenty-one thousand, forty-three".