2095509 has 8 divisors (see below), whose sum is σ = 3008992. Its totient is φ = 1289520.

The previous prime is 2095493. The next prime is 2095517. The reversal of 2095509 is 9055902.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2095509 - 2⁴ = 2095493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2095109) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26827 + ... + 26904.

It is an arithmetic number, because the mean of its divisors is an integer number (376124).

2^2095509 is an apocalyptic number.

It is an amenable number.

2095509 is a deficient number, since it is larger than the sum of its proper divisors (913483).

2095509 is a wasteful number, since it uses less digits than its factorization.

2095509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53747.

The product of its (nonzero) digits is 4050, while the sum is 30.

The square root of 2095509 is about 1447.5873030667. The cubic root of 2095509 is about 127.9665643463.

The spelling of 2095509 in words is "two million, ninety-five thousand, five hundred nine".