520325293 has 2 divisors, whose sum is σ = 520325294. Its totient is φ = 520325292.

The previous prime is 520325291. The next prime is 520325357. The reversal of 520325293 is 392523025.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 425885769 + 94439524 = 20637^2 + 9718^2 .

It is a cyclic number.

It is not a de Polignac number, because 520325293 - 2¹ = 520325291 is a prime.

Together with 520325291, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (520325291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 260162646 + 260162647.

It is an arithmetic number, because the mean of its divisors is an integer number (260162647).

Almost surely, 2^520325293 is an apocalyptic number.

It is an amenable number.

520325293 is a deficient number, since it is larger than the sum of its proper divisors (1).

520325293 is an equidigital number, since it uses as much as digits as its factorization.

520325293 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16200, while the sum is 31.

The square root of 520325293 is about 22810.6399077273. The cubic root of 520325293 is about 804.3127980398.

The spelling of 520325293 in words is "five hundred twenty million, three hundred twenty-five thousand, two hundred ninety-three".