378606625 has 16 divisors (see below), whose sum is σ = 473363280. Its totient is φ = 302332800.

The previous prime is 378606619. The next prime is 378606649. The reversal of 378606625 is 526606873.

It can be written as a sum of positive squares in 8 ways, for example, as 107806689 + 270799936 = 10383^2 + 16456^2 .

It is not a de Polignac number, because 378606625 - 2⁷ = 378606497 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74671 + ... + 79579.

It is an arithmetic number, because the mean of its divisors is an integer number (29585205).

Almost surely, 2^378606625 is an apocalyptic number.

It is an amenable number.

378606625 is a deficient number, since it is larger than the sum of its proper divisors (94756655).

378606625 is an equidigital number, since it uses as much as digits as its factorization.

378606625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5541 (or 5531 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 43.

The square root of 378606625 is about 19457.8165527379. The cubic root of 378606625 is about 723.4292589175.

The spelling of 378606625 in words is "three hundred seventy-eight million, six hundred six thousand, six hundred twenty-five".