389025025 has 12 divisors (see below), whose sum is σ = 510767532. Its totient is φ = 292912640.

The previous prime is 389025017. The next prime is 389025031. The reversal of 389025025 is 520520983.

It can be written as a sum of positive squares in 6 ways, for example, as 2666689 + 386358336 = 1633^2 + 19656^2 .

It is not a de Polignac number, because 389025025 - 2³ = 389025017 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 457252 + ... + 458101.

It is an arithmetic number, because the mean of its divisors is an integer number (42563961).

Almost surely, 2^389025025 is an apocalyptic number.

It is an amenable number.

389025025 is a deficient number, since it is larger than the sum of its proper divisors (121742507).

389025025 is a wasteful number, since it uses less digits than its factorization.

389025025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 915380 (or 915375 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 34.

The square root of 389025025 is about 19723.7173220466. The cubic root of 389025025 is about 730.0050196690.

The spelling of 389025025 in words is "three hundred eighty-nine million, twenty-five thousand, twenty-five".