521426341 has 2 divisors, whose sum is σ = 521426342. Its totient is φ = 521426340.

The previous prime is 521426317. The next prime is 521426357. The reversal of 521426341 is 143624125.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 419840100 + 101586241 = 20490^2 + 10079^2 .

It is a cyclic number.

It is not a de Polignac number, because 521426341 - 2⁵ = 521426309 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (521426141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 260713170 + 260713171.

It is an arithmetic number, because the mean of its divisors is an integer number (260713171).

Almost surely, 2^521426341 is an apocalyptic number.

It is an amenable number.

521426341 is a deficient number, since it is larger than the sum of its proper divisors (1).

521426341 is an equidigital number, since it uses as much as digits as its factorization.

521426341 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5760, while the sum is 28.

The square root of 521426341 is about 22834.7616803855. The cubic root of 521426341 is about 804.8797274115.

The spelling of 521426341 in words is "five hundred twenty-one million, four hundred twenty-six thousand, three hundred forty-one".