378241 has 2 divisors, whose sum is σ = 378242. Its totient is φ = 378240.

The previous prime is 378239. The next prime is 378253. The reversal of 378241 is 142873.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 378225 + 16 = 615^2 + 4^2 .

It is an emirp because it is prime and its reverse (142873) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 378241 - 2¹ = 378239 is a prime.

Together with 378239, it forms a pair of twin primes.

It is a nialpdrome in base 15.

It is a zygodrome in base 15.

It is not a weakly prime, because it can be changed into another prime (378041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 189120 + 189121.

It is an arithmetic number, because the mean of its divisors is an integer number (189121).

2³⁷⁸²⁴¹ is an apocalyptic number.

It is an amenable number.

378241 is a deficient number, since it is larger than the sum of its proper divisors (1).

378241 is an equidigital number, since it uses as much as digits as its factorization.

378241 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1344, while the sum is 25.

The square root of 378241 is about 615.0130079925. The cubic root of 378241 is about 72.3196309117.

The spelling of 378241 in words is "three hundred seventy-eight thousand, two hundred forty-one".