381105275 has 6 divisors (see below), whose sum is σ = 472570572. Its totient is φ = 304884200.

The previous prime is 381105199. The next prime is 381105323. The reversal of 381105275 is 572501183.

It is not a de Polignac number, because 381105275 - 2⁸ = 381105019 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7622081 + ... + 7622130.

It is an arithmetic number, because the mean of its divisors is an integer number (78761762).

Almost surely, 2^381105275 is an apocalyptic number.

381105275 is a deficient number, since it is larger than the sum of its proper divisors (91465297).

381105275 is a wasteful number, since it uses less digits than its factorization.

381105275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15244221 (or 15244216 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 32.

The square root of 381105275 is about 19521.9178105021. The cubic root of 381105275 is about 725.0172171892.

The spelling of 381105275 in words is "three hundred eighty-one million, one hundred five thousand, two hundred seventy-five".