381425 has 24 divisors (see below), whose sum is σ = 550560. Its totient is φ = 259200.
The previous prime is 381419. The next prime is 381439. The reversal of 381425 is 524183.
It is not a de Polignac number, because 381425 - 28 = 381169 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 381425.
It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 381425.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5189 + ... + 5261.
It is an arithmetic number, because the mean of its divisors is an integer number (22940).
2381425 is an apocalyptic number.
It is an amenable number.
381425 is a deficient number, since it is larger than the sum of its proper divisors (169135).
381425 is a wasteful number, since it uses less digits than its factorization.
381425 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 113 (or 108 counting only the distinct ones).
The product of its digits is 960, while the sum is 23.
The square root of 381425 is about 617.5961463610. The cubic root of 381425 is about 72.5219909508.
The spelling of 381425 in words is "three hundred eighty-one thousand, four hundred twenty-five".
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