385527 has 4 divisors (see below), whose sum is σ = 514040. Its totient is φ = 257016.

The previous prime is 385519. The next prime is 385531. The reversal of 385527 is 725583.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 725583 = 3 ⋅241861.

It is not a de Polignac number, because 385527 - 2³ = 385519 is a prime.

It is a D-number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 385494 and 385503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (385537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is an upside-down number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64252 + ... + 64257.

It is an arithmetic number, because the mean of its divisors is an integer number (128510).

2³⁸⁵⁵²⁷ is an apocalyptic number.

385527 is a deficient number, since it is larger than the sum of its proper divisors (128513).

385527 is a wasteful number, since it uses less digits than its factorization.

385527 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128512.

The product of its digits is 8400, while the sum is 30.

The square root of 385527 is about 620.9082057760. The cubic root of 385527 is about 72.7810415351.

It can be divided in two parts, 38 and 5527, that added together give a triangular number (5565 = T₁₀₅).

The spelling of 385527 in words is "three hundred eighty-five thousand, five hundred twenty-seven".