1548325009 has 16 divisors (see below), whose sum is σ = 1931535360. Its totient is φ = 1205764560.

The previous prime is 1548325001. The next prime is 1548325013. The reversal of 1548325009 is 9005238451.

It is not a de Polignac number, because 1548325009 - 2³ = 1548325001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1548325001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 149212 + ... + 159250.

It is an arithmetic number, because the mean of its divisors is an integer number (120720960).

Almost surely, 2^1548325009 is an apocalyptic number.

It is an amenable number.

1548325009 is a deficient number, since it is larger than the sum of its proper divisors (383210351).

1548325009 is a wasteful number, since it uses less digits than its factorization.

1548325009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12060.

The product of its (nonzero) digits is 43200, while the sum is 37.

The square root of 1548325009 is about 39348.7612130293. The cubic root of 1548325009 is about 1156.8775043393.

The spelling of 1548325009 in words is "one billion, five hundred forty-eight million, three hundred twenty-five thousand, nine".