378259 has 4 divisors (see below), whose sum is σ = 432304. Its totient is φ = 324216.

The previous prime is 378253. The next prime is 378269. The reversal of 378259 is 952873.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 378259 - 2¹³ = 370067 is a prime.

It is a Duffinian number.

378259 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (378253) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27012 + ... + 27025.

It is an arithmetic number, because the mean of its divisors is an integer number (108076).

2³⁷⁸²⁵⁹ is an apocalyptic number.

378259 is a deficient number, since it is larger than the sum of its proper divisors (54045).

378259 is an equidigital number, since it uses as much as digits as its factorization.

378259 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54044.

The product of its digits is 15120, while the sum is 34.

The square root of 378259 is about 615.0276416552. The cubic root of 378259 is about 72.3207780927.

Subtracting from 378259 its sum of digits (34), we obtain a square (378225 = 615²).

The spelling of 378259 in words is "three hundred seventy-eight thousand, two hundred fifty-nine".