378214825 has 12 divisors (see below), whose sum is σ = 475413148. Its totient is φ = 298425600.

The previous prime is 378214813. The next prime is 378214831. The reversal of 378214825 is 528412873.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 1971216 + 376243609 = 1404^2 + 19397^2 .

It is not a de Polignac number, because 378214825 - 2⁹ = 378214313 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 101796 + ... + 105445.

Almost surely, 2^378214825 is an apocalyptic number.

It is an amenable number.

378214825 is a deficient number, since it is larger than the sum of its proper divisors (97198323).

378214825 is a wasteful number, since it uses less digits than its factorization.

378214825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207324 (or 207319 counting only the distinct ones).

The product of its digits is 107520, while the sum is 40.

The square root of 378214825 is about 19447.7460133559. The cubic root of 378214825 is about 723.1796265432.

The spelling of 378214825 in words is "three hundred seventy-eight million, two hundred fourteen thousand, eight hundred twenty-five".