520475941 has 2 divisors, whose sum is σ = 520475942. Its totient is φ = 520475940.

The previous prime is 520475939. The next prime is 520475951. The reversal of 520475941 is 149574025.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 455609025 + 64866916 = 21345^2 + 8054^2 .

It is a cyclic number.

It is not a de Polignac number, because 520475941 - 2¹ = 520475939 is a prime.

Together with 520475939, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 520475941.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (520475951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 260237970 + 260237971.

It is an arithmetic number, because the mean of its divisors is an integer number (260237971).

Almost surely, 2^520475941 is an apocalyptic number.

It is an amenable number.

520475941 is a deficient number, since it is larger than the sum of its proper divisors (1).

520475941 is an equidigital number, since it uses as much as digits as its factorization.

520475941 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 50400, while the sum is 37.

The square root of 520475941 is about 22813.9418119710. The cubic root of 520475941 is about 804.3904138595.

The spelling of 520475941 in words is "five hundred twenty million, four hundred seventy-five thousand, nine hundred forty-one".