2009065125 has 32 divisors (see below), whose sum is σ = 3368686464. Its totient is φ = 1063296000.

The previous prime is 2009065099. The next prime is 2009065141. The reversal of 2009065125 is 5215609002.

It is a happy number.

It is not a de Polignac number, because 2009065125 - 2¹⁵ = 2009032357 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2009065092 and 2009065101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28677 + ... + 69573.

It is an arithmetic number, because the mean of its divisors is an integer number (105271452).

Almost surely, 2^2009065125 is an apocalyptic number.

2009065125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2009065125 is a deficient number, since it is larger than the sum of its proper divisors (1359621339).

2009065125 is a wasteful number, since it uses less digits than its factorization.

2009065125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41046 (or 41036 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 2009065125 is about 44822.5961430170. The cubic root of 2009065125 is about 1261.8217380860.

The spelling of 2009065125 in words is "two billion, nine million, sixty-five thousand, one hundred twenty-five".