378425 has 6 divisors (see below), whose sum is σ = 469278. Its totient is φ = 302720.

The previous prime is 378407. The next prime is 378439. The reversal of 378425 is 524873.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 33856 + 344569 = 184^2 + 587^2 .

It is not a de Polignac number, because 378425 - 2⁶ = 378361 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7544 + ... + 7593.

It is an arithmetic number, because the mean of its divisors is an integer number (78213).

2³⁷⁸⁴²⁵ is an apocalyptic number.

It is an amenable number.

378425 is a deficient number, since it is larger than the sum of its proper divisors (90853).

378425 is a wasteful number, since it uses less digits than its factorization.

378425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15147 (or 15142 counting only the distinct ones).

The product of its digits is 6720, while the sum is 29.

The square root of 378425 is about 615.1625801363. The cubic root of 378425 is about 72.3313559361.

The spelling of 378425 in words is "three hundred seventy-eight thousand, four hundred twenty-five".