38664525 has 48 divisors (see below), whose sum is σ = 68963840. Its totient is φ = 19051200.

The previous prime is 38664497. The next prime is 38664539. The reversal of 38664525 is 52546683.

It is not a de Polignac number, because 38664525 - 2⁹ = 38664013 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 60960 + ... + 61590.

Almost surely, 2^38664525 is an apocalyptic number.

It is an amenable number.

38664525 is a deficient number, since it is larger than the sum of its proper divisors (30299315).

38664525 is a wasteful number, since it uses less digits than its factorization.

38664525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 706 (or 701 counting only the distinct ones).

The product of its digits is 172800, while the sum is 39.

The square root of 38664525 is about 6218.0804915987. The cubic root of 38664525 is about 338.1459781664.

The spelling of 38664525 in words is "thirty-eight million, six hundred sixty-four thousand, five hundred twenty-five".