38531225 has 24 divisors (see below), whose sum is σ = 49660512. Its totient is φ = 29635200.

The previous prime is 38531219. The next prime is 38531249. The reversal of 38531225 is 52213583.

38531225 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 38531225 - 2⁴ = 38531209 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 78230 + ... + 78720.

It is an arithmetic number, because the mean of its divisors is an integer number (2069188).

Almost surely, 2^38531225 is an apocalyptic number.

It is an amenable number.

38531225 is a deficient number, since it is larger than the sum of its proper divisors (11129287).

38531225 is a wasteful number, since it uses less digits than its factorization.

38531225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 617 (or 612 counting only the distinct ones).

The product of its digits is 7200, while the sum is 29.

The square root of 38531225 is about 6207.3524952269. The cubic root of 38531225 is about 337.7569328384.

The spelling of 38531225 in words is "thirty-eight million, five hundred thirty-one thousand, two hundred twenty-five".