381606053 has 2 divisors, whose sum is σ = 381606054. Its totient is φ = 381606052.

The previous prime is 381606047. The next prime is 381606067. The reversal of 381606053 is 350606183.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 247810564 + 133795489 = 15742^2 + 11567^2 .

It is a cyclic number.

It is not a de Polignac number, because 381606053 - 2¹⁴ = 381589669 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (381606073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 190803026 + 190803027.

It is an arithmetic number, because the mean of its divisors is an integer number (190803027).

Almost surely, 2^381606053 is an apocalyptic number.

It is an amenable number.

381606053 is a deficient number, since it is larger than the sum of its proper divisors (1).

381606053 is an equidigital number, since it uses as much as digits as its factorization.

381606053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 381606053 is about 19534.7396450529. The cubic root of 381606053 is about 725.3346393331.

The spelling of 381606053 in words is "three hundred eighty-one million, six hundred six thousand, fifty-three".