520213153 has 2 divisors, whose sum is σ = 520213154. Its totient is φ = 520213152.

The previous prime is 520213123. The next prime is 520213159. The reversal of 520213153 is 351312025.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 300224929 + 219988224 = 17327^2 + 14832^2 .

It is a cyclic number.

It is not a de Polignac number, because 520213153 - 2¹⁷ = 520082081 is a prime.

It is not a weakly prime, because it can be changed into another prime (520213159) 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, 260106576 + 260106577.

It is an arithmetic number, because the mean of its divisors is an integer number (260106577).

Almost surely, 2^520213153 is an apocalyptic number.

It is an amenable number.

520213153 is a deficient number, since it is larger than the sum of its proper divisors (1).

520213153 is an equidigital number, since it uses as much as digits as its factorization.

520213153 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 520213153 is about 22808.1817118331. The cubic root of 520213153 is about 804.2550123182.

Adding to 520213153 its reverse (351312025), we get a palindrome (871525178).

The spelling of 520213153 in words is "five hundred twenty million, two hundred thirteen thousand, one hundred fifty-three".