381071275 has 24 divisors (see below), whose sum is σ = 511380464. Its totient is φ = 280022400.

The previous prime is 381071237. The next prime is 381071287. The reversal of 381071275 is 572170183.

It is not a de Polignac number, because 381071275 - 2¹⁵ = 381038507 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 381071275.

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 in 23 ways as a sum of consecutive naturals, for example, 65797 + ... + 71353.

Almost surely, 2^381071275 is an apocalyptic number.

381071275 is a deficient number, since it is larger than the sum of its proper divisors (130309189).

381071275 is a wasteful number, since it uses less digits than its factorization.

381071275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5791 (or 5786 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 34.

The square root of 381071275 is about 19521.0469749960. The cubic root of 381071275 is about 724.9956559391.

The spelling of 381071275 in words is "three hundred eighty-one million, seventy-one thousand, two hundred seventy-five".