520930229 has 2 divisors, whose sum is σ = 520930230. Its totient is φ = 520930228.

The previous prime is 520930211. The next prime is 520930237. The reversal of 520930229 is 922039025.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 506475025 + 14455204 = 22505^2 + 3802^2 .

It is a cyclic number.

It is not a de Polignac number, because 520930229 - 2²⁸ = 252494773 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 520930195 and 520930204.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (520935229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 260465114 + 260465115.

It is an arithmetic number, because the mean of its divisors is an integer number (260465115).

Almost surely, 2^520930229 is an apocalyptic number.

It is an amenable number.

520930229 is a deficient number, since it is larger than the sum of its proper divisors (1).

520930229 is an equidigital number, since it uses as much as digits as its factorization.

520930229 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9720, while the sum is 32.

The square root of 520930229 is about 22823.8960083505. The cubic root of 520930229 is about 804.6243783376.

The spelling of 520930229 in words is "five hundred twenty million, nine hundred thirty thousand, two hundred twenty-nine".