383840053 has 2 divisors, whose sum is σ = 383840054. Its totient is φ = 383840052.

The previous prime is 383839979. The next prime is 383840063. The reversal of 383840053 is 350048383.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 276157924 + 107682129 = 16618^2 + 10377^2 .

It is an emirp because it is prime and its reverse (350048383) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 383840053 - 2⁹ = 383839541 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (383840063) 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, 191920026 + 191920027.

It is an arithmetic number, because the mean of its divisors is an integer number (191920027).

Almost surely, 2^383840053 is an apocalyptic number.

It is an amenable number.

383840053 is a deficient number, since it is larger than the sum of its proper divisors (1).

383840053 is an equidigital number, since it uses as much as digits as its factorization.

383840053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34560, while the sum is 34.

The square root of 383840053 is about 19591.8363866178. The cubic root of 383840053 is about 726.7473054139.

The spelling of 383840053 in words is "three hundred eighty-three million, eight hundred forty thousand, fifty-three".