381073825 has 24 divisors (see below), whose sum is σ = 516708000. Its totient is φ = 276489600.

The previous prime is 381073817. The next prime is 381073829. The reversal of 381073825 is 528370183.

It is not a de Polignac number, because 381073825 - 2³ = 381073817 is a prime.

It is not an unprimeable number, because it can be changed into a prime (381073829) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 135837 + ... + 138613.

It is an arithmetic number, because the mean of its divisors is an integer number (21529500).

Almost surely, 2^381073825 is an apocalyptic number.

It is an amenable number.

381073825 is a deficient number, since it is larger than the sum of its proper divisors (135634175).

381073825 is a wasteful number, since it uses less digits than its factorization.

381073825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3297 (or 3292 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 381073825 is about 19521.1122890065. The cubic root of 381073825 is about 724.9972730773.

The spelling of 381073825 in words is "three hundred eighty-one million, seventy-three thousand, eight hundred twenty-five".