2009375 has 12 divisors (see below), whose sum is σ = 2515464. Its totient is φ = 1605000.

The previous prime is 2009339. The next prime is 2009377. The reversal of 2009375 is 5739002.

It is not a de Polignac number, because 2009375 - 2⁶ = 2009311 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 (2009377) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 2804 + ... + 3446.

It is an arithmetic number, because the mean of its divisors is an integer number (209622).

2^2009375 is an apocalyptic number.

2009375 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2009375 is a deficient number, since it is larger than the sum of its proper divisors (506089).

2009375 is an frugal number, since it uses more digits than its factorization.

2009375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 668 (or 648 counting only the distinct ones).

The product of its (nonzero) digits is 1890, while the sum is 26.

The square root of 2009375 is about 1417.5242502335. The cubic root of 2009375 is about 126.1886608542.

The spelling of 2009375 in words is "two million, nine thousand, three hundred seventy-five".