1385529 has 4 divisors (see below), whose sum is σ = 1847376. Its totient is φ = 923684.

The previous prime is 1385521. The next prime is 1385561. The reversal of 1385529 is 9255831.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1385529 - 2³ = 1385521 is a prime.

It is a d-powerful number, because it can be written as 1 + 3¹⁰ + 8⁶ + 5³ + 5⁶ + 2²⁰ + 9 .

It is a D-number.

It is a self number, because there is not a number n which added to its sum of digits gives 1385529.

It is not an unprimeable number, because it can be changed into a prime (1385521) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 230919 + ... + 230924.

It is an arithmetic number, because the mean of its divisors is an integer number (461844).

2^1385529 is an apocalyptic number.

It is an amenable number.

1385529 is a deficient number, since it is larger than the sum of its proper divisors (461847).

1385529 is an equidigital number, since it uses as much as digits as its factorization.

1385529 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 461846.

The product of its digits is 10800, while the sum is 33.

The square root of 1385529 is about 1177.0849587009. The cubic root of 1385529 is about 111.4821168877.

The spelling of 1385529 in words is "one million, three hundred eighty-five thousand, five hundred twenty-nine".