378476225 has 6 divisors (see below), whose sum is σ = 469310550. Its totient is φ = 302780960.

The previous prime is 378476183. The next prime is 378476279. The reversal of 378476225 is 522674873.

It can be written as a sum of positive squares in 3 ways, for example, as 2155024 + 376321201 = 1468^2 + 19399^2 .

It is not a de Polignac number, because 378476225 - 2⁸ = 378475969 is a prime.

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, 7569500 + ... + 7569549.

It is an arithmetic number, because the mean of its divisors is an integer number (78218425).

Almost surely, 2^378476225 is an apocalyptic number.

It is an amenable number.

378476225 is a deficient number, since it is larger than the sum of its proper divisors (90834325).

378476225 is a wasteful number, since it uses less digits than its factorization.

378476225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15139059 (or 15139054 counting only the distinct ones).

The product of its digits is 564480, while the sum is 44.

The square root of 378476225 is about 19454.4654257063. The cubic root of 378476225 is about 723.3461946835.

The spelling of 378476225 in words is "three hundred seventy-eight million, four hundred seventy-six thousand, two hundred twenty-five".