4378141 has 2 divisors, whose sum is σ = 4378142. Its totient is φ = 4378140.

The previous prime is 4378139. The next prime is 4378181. The reversal of 4378141 is 1418734.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2805625 + 1572516 = 1675^2 + 1254^2 .

It is a cyclic number.

It is not a de Polignac number, because 4378141 - 2¹ = 4378139 is a prime.

Together with 4378139, 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 (4378181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2189070 + 2189071.

It is an arithmetic number, because the mean of its divisors is an integer number (2189071).

Almost surely, 2^4378141 is an apocalyptic number.

It is an amenable number.

4378141 is a deficient number, since it is larger than the sum of its proper divisors (1).

4378141 is an equidigital number, since it uses as much as digits as its factorization.

4378141 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2688, while the sum is 28.

The square root of 4378141 is about 2092.4007742304. The cubic root of 4378141 is about 163.5924467911.

The spelling of 4378141 in words is "four million, three hundred seventy-eight thousand, one hundred forty-one".