381538252 has 6 divisors (see below), whose sum is σ = 667691948. Its totient is φ = 190769124.

The previous prime is 381538247. The next prime is 381538271. The reversal of 381538252 is 252835183.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47692278 + ... + 47692285.

Almost surely, 2^381538252 is an apocalyptic number.

It is an amenable number.

381538252 is a deficient number, since it is larger than the sum of its proper divisors (286153696).

381538252 is a wasteful number, since it uses less digits than its factorization.

381538252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95384567 (or 95384565 counting only the distinct ones).

The product of its digits is 57600, while the sum is 37.

The square root of 381538252 is about 19533.0041724257. The cubic root of 381538252 is about 725.2916793868.

The spelling of 381538252 in words is "three hundred eighty-one million, five hundred thirty-eight thousand, two hundred fifty-two".