378559 has 2 divisors, whose sum is σ = 378560. Its totient is φ = 378558.

The previous prime is 378551. The next prime is 378569. The reversal of 378559 is 955873.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 378559 - 2³ = 378551 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (378551) 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, 189279 + 189280.

It is an arithmetic number, because the mean of its divisors is an integer number (189280).

2³⁷⁸⁵⁵⁹ is an apocalyptic number.

378559 is a deficient number, since it is larger than the sum of its proper divisors (1).

378559 is an equidigital number, since it uses as much as digits as its factorization.

378559 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 37800, while the sum is 37.

The square root of 378559 is about 615.2714847935. The cubic root of 378559 is about 72.3398924210.

It can be divided in two parts, 3785 and 59, that added together give a square (3844 = 62²).

The spelling of 378559 in words is "three hundred seventy-eight thousand, five hundred fifty-nine".