378225625 has 20 divisors (see below), whose sum is σ = 474710544. Its totient is φ = 301250000.

The previous prime is 378225599. The next prime is 378225643. The reversal of 378225625 is 526522873.

It is a de Polignac number, because none of the positive numbers 2^k-378225625 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 155670 + ... + 158080.

Almost surely, 2^378225625 is an apocalyptic number.

It is an amenable number.

378225625 is a deficient number, since it is larger than the sum of its proper divisors (96484919).

378225625 is an equidigital number, since it uses as much as digits as its factorization.

378225625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2682 (or 2667 counting only the distinct ones).

The product of its digits is 201600, while the sum is 40.

The square root of 378225625 is about 19448.0236785129. The cubic root of 378225625 is about 723.1865099907.

It can be divided in two parts, 378225 and 625, that multiplied together give a square (236390625 = 15375²).

The spelling of 378225625 in words is "three hundred seventy-eight million, two hundred twenty-five thousand, six hundred twenty-five".