520255303 has 2 divisors, whose sum is σ = 520255304. Its totient is φ = 520255302.

The previous prime is 520255289. The next prime is 520255313. The reversal of 520255303 is 303552025.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 520255303 - 2¹³ = 520247111 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (520255313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 260127651 + 260127652.

It is an arithmetic number, because the mean of its divisors is an integer number (260127652).

Almost surely, 2^520255303 is an apocalyptic number.

520255303 is a deficient number, since it is larger than the sum of its proper divisors (1).

520255303 is an equidigital number, since it uses as much as digits as its factorization.

520255303 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4500, while the sum is 25.

The square root of 520255303 is about 22809.1057036439. The cubic root of 520255303 is about 804.2767331795.

The spelling of 520255303 in words is "five hundred twenty million, two hundred fifty-five thousand, three hundred three".