381125 has 8 divisors (see below), whose sum is σ = 475800. Its totient is φ = 304800.

The previous prime is 381103. The next prime is 381167. The reversal of 381125 is 521183.

It can be written as a sum of positive squares in 4 ways, for example, as 68644 + 312481 = 262^2 + 559^2 .

It is not a de Polignac number, because 381125 - 2⁶ = 381061 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 381097 and 381106.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1400 + ... + 1649.

It is an arithmetic number, because the mean of its divisors is an integer number (59475).

2³⁸¹¹²⁵ is an apocalyptic number.

It is an amenable number.

381125 is a deficient number, since it is larger than the sum of its proper divisors (94675).

381125 is an equidigital number, since it uses as much as digits as its factorization.

381125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3064 (or 3054 counting only the distinct ones).

The product of its digits is 240, while the sum is 20.

The square root of 381125 is about 617.3532214219. The cubic root of 381125 is about 72.5029725297.

The spelling of 381125 in words is "three hundred eighty-one thousand, one hundred twenty-five".