380660101 has 2 divisors, whose sum is σ = 380660102. Its totient is φ = 380660100.

The previous prime is 380660099. The next prime is 380660167. The reversal of 380660101 is 101066083.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 195972001 + 184688100 = 13999^2 + 13590^2 .

It is a cyclic number.

It is not a de Polignac number, because 380660101 - 2¹ = 380660099 is a prime.

It is a super-2 number, since 2×380660101² = 289804224986660402, which contains 22 as substring.

Together with 380660099, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (380667101) 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, 190330050 + 190330051.

It is an arithmetic number, because the mean of its divisors is an integer number (190330051).

Almost surely, 2^380660101 is an apocalyptic number.

It is an amenable number.

380660101 is a deficient number, since it is larger than the sum of its proper divisors (1).

380660101 is an equidigital number, since it uses as much as digits as its factorization.

380660101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 380660101 is about 19510.5125765573. The cubic root of 380660101 is about 724.7348065358.

The spelling of 380660101 in words is "three hundred eighty million, six hundred sixty thousand, one hundred one".