2011249 has 4 divisors (see below), whose sum is σ = 2076160. Its totient is φ = 1946340.

The previous prime is 2011241. The next prime is 2011259. The reversal of 2011249 is 9421102.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2011249 - 2³ = 2011241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2011241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32409 + ... + 32470.

It is an arithmetic number, because the mean of its divisors is an integer number (519040).

2^2011249 is an apocalyptic number.

It is an amenable number.

2011249 is a deficient number, since it is larger than the sum of its proper divisors (64911).

2011249 is an equidigital number, since it uses as much as digits as its factorization.

2011249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64910.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 2011249 is about 1418.1851078050. The cubic root of 2011249 is about 126.2278777041.

The spelling of 2011249 in words is "two million, eleven thousand, two hundred forty-nine".