520935361 has 2 divisors, whose sum is σ = 520935362. Its totient is φ = 520935360.

The previous prime is 520935347. The next prime is 520935379. The reversal of 520935361 is 163539025.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 308213136 + 212722225 = 17556^2 + 14585^2 .

It is a cyclic number.

It is not a de Polignac number, because 520935361 - 2⁵ = 520935329 is a prime.

It is not a weakly prime, because it can be changed into another prime (520935391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 260467680 + 260467681.

It is an arithmetic number, because the mean of its divisors is an integer number (260467681).

Almost surely, 2^520935361 is an apocalyptic number.

It is an amenable number.

520935361 is a deficient number, since it is larger than the sum of its proper divisors (1).

520935361 is an equidigital number, since it uses as much as digits as its factorization.

520935361 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24300, while the sum is 34.

The square root of 520935361 is about 22824.0084341029. The cubic root of 520935361 is about 804.6270206100.

The spelling of 520935361 in words is "five hundred twenty million, nine hundred thirty-five thousand, three hundred sixty-one".