520275130553 has 2 divisors, whose sum is σ = 520275130554. Its totient is φ = 520275130552.

The previous prime is 520275130511. The next prime is 520275130567. The reversal of 520275130553 is 355031572025.

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., 397307084329 + 122968046224 = 630323^2 + 350668^2 .

It is a cyclic number.

It is not a de Polignac number, because 520275130553 - 2²² = 520270936249 is a prime.

It is a super-2 number, since 2×520275130553² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (520275130853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 260137565276 + 260137565277.

It is an arithmetic number, because the mean of its divisors is an integer number (260137565277).

Almost surely, 2^520275130553 is an apocalyptic number.

It is an amenable number.

520275130553 is a deficient number, since it is larger than the sum of its proper divisors (1).

520275130553 is an equidigital number, since it uses as much as digits as its factorization.

520275130553 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 157500, while the sum is 38.

The spelling of 520275130553 in words is "five hundred twenty billion, two hundred seventy-five million, one hundred thirty thousand, five hundred fifty-three".