520251041 has 2 divisors, whose sum is σ = 520251042. Its totient is φ = 520251040.

The previous prime is 520251029. The next prime is 520251089. The reversal of 520251041 is 140152025.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 449270416 + 70980625 = 21196^2 + 8425^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-520251041 is a prime.

It is a super-2 number, since 2×520251041² = 541322291323167362, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (520251241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 260125520 + 260125521.

It is an arithmetic number, because the mean of its divisors is an integer number (260125521).

Almost surely, 2^520251041 is an apocalyptic number.

It is an amenable number.

520251041 is a deficient number, since it is larger than the sum of its proper divisors (1).

520251041 is an equidigital number, since it uses as much as digits as its factorization.

520251041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 520251041 is about 22809.0122758527. The cubic root of 520251041 is about 804.2745369265.

The spelling of 520251041 in words is "five hundred twenty million, two hundred fifty-one thousand, forty-one".