381418325 has 12 divisors (see below), whose sum is σ = 475341600. Its totient is φ = 303597360.

The previous prime is 381418321. The next prime is 381418333. The reversal of 381418325 is 523814183.

It is a happy number.

It is not a de Polignac number, because 381418325 - 2² = 381418321 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (381418321) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33359 + ... + 43308.

It is an arithmetic number, because the mean of its divisors is an integer number (39611800).

Almost surely, 2^381418325 is an apocalyptic number.

It is an amenable number.

381418325 is a deficient number, since it is larger than the sum of its proper divisors (93923275).

381418325 is a wasteful number, since it uses less digits than its factorization.

381418325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76876 (or 76871 counting only the distinct ones).

The product of its digits is 23040, while the sum is 35.

The square root of 381418325 is about 19529.9340756696. The cubic root of 381418325 is about 725.2156789946.

The spelling of 381418325 in words is "three hundred eighty-one million, four hundred eighteen thousand, three hundred twenty-five".