388481053 has 2 divisors, whose sum is σ = 388481054. Its totient is φ = 388481052.

The previous prime is 388481039. The next prime is 388481069. The reversal of 388481053 is 350184883.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 298667524 + 89813529 = 17282^2 + 9477^2 .

It is a cyclic number.

It is not a de Polignac number, because 388481053 - 2⁵ = 388481021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 388480997 and 388481015.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (388481003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 194240526 + 194240527.

It is an arithmetic number, because the mean of its divisors is an integer number (194240527).

Almost surely, 2^388481053 is an apocalyptic number.

It is an amenable number.

388481053 is a deficient number, since it is larger than the sum of its proper divisors (1).

388481053 is an equidigital number, since it uses as much as digits as its factorization.

388481053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 92160, while the sum is 40.

The square root of 388481053 is about 19709.9227040595. The cubic root of 388481053 is about 729.6646066726.

The spelling of 388481053 in words is "three hundred eighty-eight million, four hundred eighty-one thousand, fifty-three".