380720213 has 2 divisors, whose sum is σ = 380720214. Its totient is φ = 380720212.

The previous prime is 380720203. The next prime is 380720243. The reversal of 380720213 is 312027083.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 363397969 + 17322244 = 19063^2 + 4162^2 .

It is an emirp because it is prime and its reverse (312027083) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 380720213 - 2⁸ = 380719957 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (380720203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 190360106 + 190360107.

It is an arithmetic number, because the mean of its divisors is an integer number (190360107).

Almost surely, 2^380720213 is an apocalyptic number.

It is an amenable number.

380720213 is a deficient number, since it is larger than the sum of its proper divisors (1).

380720213 is an equidigital number, since it uses as much as digits as its factorization.

380720213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 380720213 is about 19512.0530185832. The cubic root of 380720213 is about 724.7729533984.

Adding to 380720213 its reverse (312027083), we get a palindrome (692747296).

The spelling of 380720213 in words is "three hundred eighty million, seven hundred twenty thousand, two hundred thirteen".