380289101 has 2 divisors, whose sum is σ = 380289102. Its totient is φ = 380289100.

The previous prime is 380289089. The next prime is 380289103. The reversal of 380289101 is 101982083.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 380289001 + 100 = 19501^2 + 10^2 .

It is a cyclic number.

It is not a de Polignac number, because 380289101 - 2⁶ = 380289037 is a prime.

Together with 380289103, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (380289103) 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, 190144550 + 190144551.

It is an arithmetic number, because the mean of its divisors is an integer number (190144551).

Almost surely, 2^380289101 is an apocalyptic number.

It is an amenable number.

380289101 is a deficient number, since it is larger than the sum of its proper divisors (1).

380289101 is an equidigital number, since it uses as much as digits as its factorization.

380289101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 32.

The square root of 380289101 is about 19501.0025639709. The cubic root of 380289101 is about 724.4992823232.

The spelling of 380289101 in words is "three hundred eighty million, two hundred eighty-nine thousand, one hundred one".