388340053 has 2 divisors, whose sum is σ = 388340054. Its totient is φ = 388340052.

The previous prime is 388340021. The next prime is 388340087. The reversal of 388340053 is 350043883.

It is an a-pointer prime, because the next prime (388340087) can be obtained adding 388340053 to its sum of digits (34).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 304397809 + 83942244 = 17447^2 + 9162^2 .

It is a cyclic number.

It is not a de Polignac number, because 388340053 - 2⁵ = 388340021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (388340003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 194170026 + 194170027.

It is an arithmetic number, because the mean of its divisors is an integer number (194170027).

Almost surely, 2^388340053 is an apocalyptic number.

It is an amenable number.

388340053 is a deficient number, since it is larger than the sum of its proper divisors (1).

388340053 is an equidigital number, since it uses as much as digits as its factorization.

388340053 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 388340053 is about 19706.3455008786. The cubic root of 388340053 is about 729.5763182319.

The spelling of 388340053 in words is "three hundred eighty-eight million, three hundred forty thousand, fifty-three".