381076057 has 2 divisors, whose sum is σ = 381076058. Its totient is φ = 381076056.

The previous prime is 381076009. The next prime is 381076067. The reversal of 381076057 is 750670183.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 280194121 + 100881936 = 16739^2 + 10044^2 .

It is a cyclic number.

It is not a de Polignac number, because 381076057 - 2¹¹ = 381074009 is a prime.

It is a super-2 number, since 2×381076057² = 290437922437334498, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (381076067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 190538028 + 190538029.

It is an arithmetic number, because the mean of its divisors is an integer number (190538029).

Almost surely, 2^381076057 is an apocalyptic number.

It is an amenable number.

381076057 is a deficient number, since it is larger than the sum of its proper divisors (1).

381076057 is an equidigital number, since it uses as much as digits as its factorization.

381076057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 35280, while the sum is 37.

The square root of 381076057 is about 19521.1694577963. The cubic root of 381076057 is about 724.9986885430.

The spelling of 381076057 in words is "three hundred eighty-one million, seventy-six thousand, fifty-seven".