387144713 has 2 divisors, whose sum is σ = 387144714. Its totient is φ = 387144712.

The previous prime is 387144677. The next prime is 387144721. The reversal of 387144713 is 317441783.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 250652224 + 136492489 = 15832^2 + 11683^2 .

It is a cyclic number.

It is not a de Polignac number, because 387144713 - 2²⁸ = 118709257 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (387144733) 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, 193572356 + 193572357.

It is an arithmetic number, because the mean of its divisors is an integer number (193572357).

Almost surely, 2^387144713 is an apocalyptic number.

It is an amenable number.

387144713 is a deficient number, since it is larger than the sum of its proper divisors (1).

387144713 is an equidigital number, since it uses as much as digits as its factorization.

387144713 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 56448, while the sum is 38.

The square root of 387144713 is about 19675.9933167299. The cubic root of 387144713 is about 728.8269852089.

It can be divided in two parts, 3871 and 44713, that added together give a palindrome (48584).

The spelling of 387144713 in words is "three hundred eighty-seven million, one hundred forty-four thousand, seven hundred thirteen".