521341103 has 2 divisors, whose sum is σ = 521341104. Its totient is φ = 521341102.

The previous prime is 521341087. The next prime is 521341109. The reversal of 521341103 is 301143125.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 521341103 - 2⁴ = 521341087 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (521341109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 260670551 + 260670552.

It is an arithmetic number, because the mean of its divisors is an integer number (260670552).

Almost surely, 2^521341103 is an apocalyptic number.

521341103 is a deficient number, since it is larger than the sum of its proper divisors (1).

521341103 is an equidigital number, since it uses as much as digits as its factorization.

521341103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 521341103 is about 22832.8951953098. The cubic root of 521341103 is about 804.8358669008.

Adding to 521341103 its reverse (301143125), we get a palindrome (822484228).

The spelling of 521341103 in words is "five hundred twenty-one million, three hundred forty-one thousand, one hundred three".