520013941 has 2 divisors, whose sum is σ = 520013942. Its totient is φ = 520013940.

The previous prime is 520013939. The next prime is 520014031. The reversal of 520013941 is 149310025.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 518700625 + 1313316 = 22775^2 + 1146^2 .

It is a cyclic number.

It is not a de Polignac number, because 520013941 - 2¹ = 520013939 is a prime.

Together with 520013939, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (520013911) 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, 260006970 + 260006971.

It is an arithmetic number, because the mean of its divisors is an integer number (260006971).

Almost surely, 2^520013941 is an apocalyptic number.

It is an amenable number.

520013941 is a deficient number, since it is larger than the sum of its proper divisors (1).

520013941 is an equidigital number, since it uses as much as digits as its factorization.

520013941 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 520013941 is about 22803.8141765802. The cubic root of 520013941 is about 804.1523379277.

Adding to 520013941 its reverse (149310025), we get a palindrome (669323966).

The spelling of 520013941 in words is "five hundred twenty million, thirteen thousand, nine hundred forty-one".