1385017 has 2 divisors, whose sum is σ = 1385018. Its totient is φ = 1385016.

The previous prime is 1385009. The next prime is 1385023. The reversal of 1385017 is 7105831.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 900601 + 484416 = 949^2 + 696^2 .

It is an emirp because it is prime and its reverse (7105831) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1385017 - 2³ = 1385009 is a prime.

1385017 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 1384982 and 1385000.

It is not a weakly prime, because it can be changed into another prime (1385057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 692508 + 692509.

It is an arithmetic number, because the mean of its divisors is an integer number (692509).

2^1385017 is an apocalyptic number.

It is an amenable number.

1385017 is a deficient number, since it is larger than the sum of its proper divisors (1).

1385017 is an equidigital number, since it uses as much as digits as its factorization.

1385017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 840, while the sum is 25.

The square root of 1385017 is about 1176.8674521797. The cubic root of 1385017 is about 111.4683830536.

The spelling of 1385017 in words is "one million, three hundred eighty-five thousand, seventeen".