378458025 has 48 divisors (see below), whose sum is σ = 684622848. Its totient is φ = 182952000.

The previous prime is 378458011. The next prime is 378458039. The reversal of 378458025 is 520854873.

It is an interprime number because it is at equal distance from previous prime (378458011) and next prime (378458039).

It is not a de Polignac number, because 378458025 - 2²⁸ = 110022569 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 520212 + ... + 520938.

It is an arithmetic number, because the mean of its divisors is an integer number (14262976).

Almost surely, 2^378458025 is an apocalyptic number.

It is an amenable number.

378458025 is a deficient number, since it is larger than the sum of its proper divisors (306164823).

378458025 is a wasteful number, since it uses less digits than its factorization.

378458025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1382 (or 1377 counting only the distinct ones).

The product of its (nonzero) digits is 268800, while the sum is 42.

The square root of 378458025 is about 19453.9976611492. The cubic root of 378458025 is about 723.3345998454.

It can be divided in two parts, 378 and 458025, that added together give a triangular number (458403 = T₉₅₇).

The spelling of 378458025 in words is "three hundred seventy-eight million, four hundred fifty-eight thousand, twenty-five".