381682051 has 6 divisors (see below), whose sum is σ = 402828252. Its totient is φ = 361593180.

The previous prime is 381682043. The next prime is 381682069. The reversal of 381682051 is 150286183.

It is not a de Polignac number, because 381682051 - 2³ = 381682043 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 381681998 and 381682016.

It is not an unprimeable number, because it can be changed into a prime (381682031) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 528285 + ... + 529006.

It is an arithmetic number, because the mean of its divisors is an integer number (67138042).

Almost surely, 2^381682051 is an apocalyptic number.

381682051 is a deficient number, since it is larger than the sum of its proper divisors (21146201).

381682051 is a wasteful number, since it uses less digits than its factorization.

381682051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1057329 (or 1057310 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 34.

The square root of 381682051 is about 19536.6847494656. The cubic root of 381682051 is about 725.3827869997.

The spelling of 381682051 in words is "three hundred eighty-one million, six hundred eighty-two thousand, fifty-one".