389525 has 6 divisors (see below), whose sum is σ = 483042. Its totient is φ = 311600.

The previous prime is 389513. The next prime is 389527. The reversal of 389525 is 525983.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 8836 + 380689 = 94^2 + 617^2 .

It is not a de Polignac number, because 389525 - 2⁶ = 389461 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 5.

It is a junction number, because it is equal to n+sod(n) for n = 389491 and 389500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (389527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7766 + ... + 7815.

It is an arithmetic number, because the mean of its divisors is an integer number (80507).

2³⁸⁹⁵²⁵ is an apocalyptic number.

It is an amenable number.

389525 is a deficient number, since it is larger than the sum of its proper divisors (93517).

389525 is a wasteful number, since it uses less digits than its factorization.

389525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15591 (or 15586 counting only the distinct ones).

The product of its digits is 10800, while the sum is 32.

The square root of 389525 is about 624.1193796062. The cubic root of 389525 is about 73.0317619963.

The spelling of 389525 in words is "three hundred eighty-nine thousand, five hundred twenty-five".