520325153 has 2 divisors, whose sum is σ = 520325154. Its totient is φ = 520325152.

The previous prime is 520325131. The next prime is 520325167. The reversal of 520325153 is 351523025.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 261533584 + 258791569 = 16172^2 + 16087^2 .

It is a cyclic number.

It is not a de Polignac number, because 520325153 - 2¹⁶ = 520259617 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (520325123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 260162576 + 260162577.

It is an arithmetic number, because the mean of its divisors is an integer number (260162577).

Almost surely, 2^520325153 is an apocalyptic number.

It is an amenable number.

520325153 is a deficient number, since it is larger than the sum of its proper divisors (1).

520325153 is an equidigital number, since it uses as much as digits as its factorization.

520325153 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4500, while the sum is 26.

The square root of 520325153 is about 22810.6368389837. The cubic root of 520325153 is about 804.3127259030.

Adding to 520325153 its reverse (351523025), we get a palindrome (871848178).

The spelling of 520325153 in words is "five hundred twenty million, three hundred twenty-five thousand, one hundred fifty-three".