385829513 has 2 divisors, whose sum is σ = 385829514. Its totient is φ = 385829512.

The previous prime is 385829491. The next prime is 385829519. The reversal of 385829513 is 315928583.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 352050169 + 33779344 = 18763^2 + 5812^2 .

It is a cyclic number.

It is not a de Polignac number, because 385829513 - 2²⁰ = 384780937 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (385829519) 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, 192914756 + 192914757.

It is an arithmetic number, because the mean of its divisors is an integer number (192914757).

Almost surely, 2^385829513 is an apocalyptic number.

It is an amenable number.

385829513 is a deficient number, since it is larger than the sum of its proper divisors (1).

385829513 is an equidigital number, since it uses as much as digits as its factorization.

385829513 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 259200, while the sum is 44.

The square root of 385829513 is about 19642.5434452873. The cubic root of 385829513 is about 728.0007302100. Note that the first 3 decimals are identical.

The spelling of 385829513 in words is "three hundred eighty-five million, eight hundred twenty-nine thousand, five hundred thirteen".