2009151 has 8 divisors (see below), whose sum is σ = 2976560. Its totient is φ = 1339416.

The previous prime is 2009113. The next prime is 2009167. The reversal of 2009151 is 1519002.

2009151 = T₁₈₁ + T₁₈₂ + ... + T₂₆₁.

It is not a de Polignac number, because 2009151 - 2¹³ = 2000959 is a prime.

It is a super-3 number, since 3×2009151³ = 24330945633354209853, which contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2009171) 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 7 ways as a sum of consecutive naturals, for example, 37180 + ... + 37233.

It is an arithmetic number, because the mean of its divisors is an integer number (372070).

2^2009151 is an apocalyptic number.

2009151 is a deficient number, since it is larger than the sum of its proper divisors (967409).

2009151 is an equidigital number, since it uses as much as digits as its factorization.

2009151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74422 (or 74416 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 18.

The square root of 2009151 is about 1417.4452370374. The cubic root of 2009151 is about 126.1839716166.

The spelling of 2009151 in words is "two million, nine thousand, one hundred fifty-one".