520040141 has 2 divisors, whose sum is σ = 520040142. Its totient is φ = 520040140.

The previous prime is 520040119. The next prime is 520040153. The reversal of 520040141 is 141040025.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 414977641 + 105062500 = 20371^2 + 10250^2 .

It is a cyclic number.

It is not a de Polignac number, because 520040141 - 2¹⁸ = 519777997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (520040111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 260020070 + 260020071.

It is an arithmetic number, because the mean of its divisors is an integer number (260020071).

Almost surely, 2^520040141 is an apocalyptic number.

It is an amenable number.

520040141 is a deficient number, since it is larger than the sum of its proper divisors (1).

520040141 is an equidigital number, since it uses as much as digits as its factorization.

520040141 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 520040141 is about 22804.3886346466. The cubic root of 520040141 is about 804.1658429742.

Adding to 520040141 its reverse (141040025), we get a palindrome (661080166).

The spelling of 520040141 in words is "five hundred twenty million, forty thousand, one hundred forty-one".