383805061 has 2 divisors, whose sum is σ = 383805062. Its totient is φ = 383805060.

The previous prime is 383805047. The next prime is 383805067. The reversal of 383805061 is 160508383.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 357436836 + 26368225 = 18906^2 + 5135^2 .

It is a cyclic number.

It is not a de Polignac number, because 383805061 - 2⁵ = 383805029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (383805067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 191902530 + 191902531.

It is an arithmetic number, because the mean of its divisors is an integer number (191902531).

Almost surely, 2^383805061 is an apocalyptic number.

It is an amenable number.

383805061 is a deficient number, since it is larger than the sum of its proper divisors (1).

383805061 is an equidigital number, since it uses as much as digits as its factorization.

383805061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 383805061 is about 19590.9433412483. The cubic root of 383805061 is about 726.7252205947.

The spelling of 383805061 in words is "three hundred eighty-three million, eight hundred five thousand, sixty-one".