385528653 has 20 divisors (see below), whose sum is σ = 584517120. Its totient is φ = 253179432.

The previous prime is 385528631. The next prime is 385528667. The reversal of 385528653 is 356825583.

385528653 is a `hidden beast` number, since 38 + 552 + 8 + 65 + 3 = 666.

It is not a de Polignac number, because 385528653 - 2⁵ = 385528621 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 385528599 and 385528608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (385528613) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 30093 + ... + 40946.

It is an arithmetic number, because the mean of its divisors is an integer number (29225856).

Almost surely, 2^385528653 is an apocalyptic number.

It is an amenable number.

385528653 is a deficient number, since it is larger than the sum of its proper divisors (198988467).

385528653 is an equidigital number, since it uses as much as digits as its factorization.

385528653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71118 (or 71109 counting only the distinct ones).

The product of its digits is 864000, while the sum is 45.

The square root of 385528653 is about 19634.8835749031. The cubic root of 385528653 is about 727.8114555456.

The spelling of 385528653 in words is "three hundred eighty-five million, five hundred twenty-eight thousand, six hundred fifty-three".