5105353921 has 2 divisors, whose sum is σ = 5105353922. Its totient is φ = 5105353920.

The previous prime is 5105353889. The next prime is 5105353931. The reversal of 5105353921 is 1293535015.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5082121521 + 23232400 = 71289^2 + 4820^2 .

It is a cyclic number.

It is not a de Polignac number, because 5105353921 - 2⁵ = 5105353889 is a prime.

It is not a weakly prime, because it can be changed into another prime (5105353931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2552676960 + 2552676961.

It is an arithmetic number, because the mean of its divisors is an integer number (2552676961).

Almost surely, 2^5105353921 is an apocalyptic number.

It is an amenable number.

5105353921 is a deficient number, since it is larger than the sum of its proper divisors (1).

5105353921 is an equidigital number, since it uses as much as digits as its factorization.

5105353921 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20250, while the sum is 34.

The square root of 5105353921 is about 71451.7593975124. The cubic root of 5105353921 is about 1721.9027439010.

Adding to 5105353921 its reverse (1293535015), we get a palindrome (6398888936).

The spelling of 5105353921 in words is "five billion, one hundred five million, three hundred fifty-three thousand, nine hundred twenty-one".