4378541 has 2 divisors, whose sum is σ = 4378542. Its totient is φ = 4378540.

The previous prime is 4378523. The next prime is 4378553. The reversal of 4378541 is 1458734.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3822025 + 556516 = 1955^2 + 746^2 .

It is a cyclic number.

It is not a de Polignac number, because 4378541 - 2⁶ = 4378477 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 4378498 and 4378507.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4378511) 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, 2189270 + 2189271.

It is an arithmetic number, because the mean of its divisors is an integer number (2189271).

Almost surely, 2^4378541 is an apocalyptic number.

It is an amenable number.

4378541 is a deficient number, since it is larger than the sum of its proper divisors (1).

4378541 is an equidigital number, since it uses as much as digits as its factorization.

4378541 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13440, while the sum is 32.

The square root of 4378541 is about 2092.4963560303. The cubic root of 4378541 is about 163.5974287371.

The spelling of 4378541 in words is "four million, three hundred seventy-eight thousand, five hundred forty-one".