380170561 has 2 divisors, whose sum is σ = 380170562. Its totient is φ = 380170560.

The previous prime is 380170547. The next prime is 380170579. The reversal of 380170561 is 165071083.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 366339600 + 13830961 = 19140^2 + 3719^2 .

It is an emirp because it is prime and its reverse (165071083) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 380170561 - 2¹³ = 380162369 is a prime.

It is not a weakly prime, because it can be changed into another prime (380177561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 190085280 + 190085281.

It is an arithmetic number, because the mean of its divisors is an integer number (190085281).

Almost surely, 2^380170561 is an apocalyptic number.

It is an amenable number.

380170561 is a deficient number, since it is larger than the sum of its proper divisors (1).

380170561 is an equidigital number, since it uses as much as digits as its factorization.

380170561 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5040, while the sum is 31.

The square root of 380170561 is about 19497.9629961696. The cubic root of 380170561 is about 724.4239965563.

The spelling of 380170561 in words is "three hundred eighty million, one hundred seventy thousand, five hundred sixty-one".