521006041 has 2 divisors, whose sum is σ = 521006042. Its totient is φ = 521006040.

The previous prime is 521005999. The next prime is 521006069. The reversal of 521006041 is 140600125.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 508728025 + 12278016 = 22555^2 + 3504^2 .

It is a cyclic number.

It is not a de Polignac number, because 521006041 - 2¹³ = 520997849 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (521006071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 260503020 + 260503021.

It is an arithmetic number, because the mean of its divisors is an integer number (260503021).

Almost surely, 2^521006041 is an apocalyptic number.

It is an amenable number.

521006041 is a deficient number, since it is larger than the sum of its proper divisors (1).

521006041 is an equidigital number, since it uses as much as digits as its factorization.

521006041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 521006041 is about 22825.5567511507. The cubic root of 521006041 is about 804.6634093000.

Adding to 521006041 its reverse (140600125), we get a palindrome (661606166).

The spelling of 521006041 in words is "five hundred twenty-one million, six thousand, forty-one".