385525583 has 6 divisors (see below), whose sum is σ = 395159712. Its totient is φ = 376120880.

The previous prime is 385525577. The next prime is 385525619.

385525583 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 385525583 - 2²⁶ = 318416719 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (385525513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 112991 + ... + 116352.

It is an arithmetic number, because the mean of its divisors is an integer number (65859952).

Almost surely, 2^385525583 is an apocalyptic number.

385525583 is a deficient number, since it is larger than the sum of its proper divisors (9634129).

385525583 is an equidigital number, since it uses as much as digits as its factorization.

385525583 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229425 (or 229384 counting only the distinct ones).

The product of its digits is 720000, while the sum is 44.

The square root of 385525583 is about 19634.8053975587. The cubic root of 385525583 is about 727.8095236640.

The spelling of 385525583 in words is "three hundred eighty-five million, five hundred twenty-five thousand, five hundred eighty-three".