252005320435189 has 2 divisors, whose sum is σ = 252005320435190. Its totient is φ = 252005320435188.

The previous prime is 252005320435159. The next prime is 252005320435229. The reversal of 252005320435189 is 981534023500252.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 245447838900625 + 6557481534564 = 15666775^2 + 2560758^2 .

It is a cyclic number.

It is not a de Polignac number, because 252005320435189 - 2¹⁹ = 252005319910901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (252005320435139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126002660217594 + 126002660217595.

It is an arithmetic number, because the mean of its divisors is an integer number (126002660217595).

Almost surely, 2^{252005320435189} is an apocalyptic number.

It is an amenable number.

252005320435189 is a deficient number, since it is larger than the sum of its proper divisors (1).

252005320435189 is an equidigital number, since it uses as much as digits as its factorization.

252005320435189 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592000, while the sum is 49.

The spelling of 252005320435189 in words is "two hundred fifty-two trillion, five billion, three hundred twenty million, four hundred thirty-five thousand, one hundred eighty-nine".