520452383254109 has 2 divisors, whose sum is σ = 520452383254110. Its totient is φ = 520452383254108.

The previous prime is 520452383253919. The next prime is 520452383254127. The reversal of 520452383254109 is 901452383254025.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 504019113136900 + 16433270117209 = 22450370^2 + 4053797^2 .

It is a cyclic number.

It is not a de Polignac number, because 520452383254109 - 2⁴⁸ = 238977406543453 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (520452383254169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 260226191627054 + 260226191627055.

It is an arithmetic number, because the mean of its divisors is an integer number (260226191627055).

Almost surely, 2^{520452383254109} is an apocalyptic number.

It is an amenable number.

520452383254109 is a deficient number, since it is larger than the sum of its proper divisors (1).

520452383254109 is an equidigital number, since it uses as much as digits as its factorization.

520452383254109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368000, while the sum is 53.

The spelling of 520452383254109 in words is "five hundred twenty trillion, four hundred fifty-two billion, three hundred eighty-three million, two hundred fifty-four thousand, one hundred nine".