520474885153 has 2 divisors, whose sum is σ = 520474885154. Its totient is φ = 520474885152.

The previous prime is 520474885127. The next prime is 520474885201. The reversal of 520474885153 is 351588474025.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 505822508944 + 14652376209 = 711212^2 + 121047^2 .

It is a cyclic number.

It is not a de Polignac number, because 520474885153 - 2¹⁷ = 520474754081 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 520474885153.

It is not a weakly prime, because it can be changed into another prime (520474885753) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 260237442576 + 260237442577.

It is an arithmetic number, because the mean of its divisors is an integer number (260237442577).

Almost surely, 2^520474885153 is an apocalyptic number.

It is an amenable number.

520474885153 is a deficient number, since it is larger than the sum of its proper divisors (1).

520474885153 is an equidigital number, since it uses as much as digits as its factorization.

520474885153 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5376000, while the sum is 52.

The spelling of 520474885153 in words is "five hundred twenty billion, four hundred seventy-four million, eight hundred eighty-five thousand, one hundred fifty-three".