520530145001 has 2 divisors, whose sum is σ = 520530145002. Its totient is φ = 520530145000.

The previous prime is 520530144997. The next prime is 520530145033. The reversal of 520530145001 is 100541035025.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 475713678400 + 44816466601 = 689720^2 + 211699^2 .

It is a cyclic number.

It is not a de Polignac number, because 520530145001 - 2² = 520530144997 is a prime.

It is not a weakly prime, because it can be changed into another prime (520530145301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 260265072500 + 260265072501.

It is an arithmetic number, because the mean of its divisors is an integer number (260265072501).

Almost surely, 2^520530145001 is an apocalyptic number.

It is an amenable number.

520530145001 is a deficient number, since it is larger than the sum of its proper divisors (1).

520530145001 is an equidigital number, since it uses as much as digits as its factorization.

520530145001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3000, while the sum is 26.

The spelling of 520530145001 in words is "five hundred twenty billion, five hundred thirty million, one hundred forty-five thousand, one".