2009153 has 4 divisors (see below), whose sum is σ = 2012628. Its totient is φ = 2005680.

The previous prime is 2009113. The next prime is 2009167. The reversal of 2009153 is 3519002.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1420864 + 588289 = 1192^2 + 767^2 .

It is a cyclic number.

It is not a de Polignac number, because 2009153 - 2¹² = 2005057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2009113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 638 + ... + 2103.

It is an arithmetic number, because the mean of its divisors is an integer number (503157).

2^2009153 is an apocalyptic number.

It is an amenable number.

2009153 is a deficient number, since it is larger than the sum of its proper divisors (3475).

2009153 is an equidigital number, since it uses as much as digits as its factorization.

2009153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3474.

The product of its (nonzero) digits is 270, while the sum is 20.

The square root of 2009153 is about 1417.4459425318. The cubic root of 2009153 is about 126.1840134863.

The spelling of 2009153 in words is "two million, nine thousand, one hundred fifty-three".