2099051 has 4 divisors (see below), whose sum is σ = 2113104. Its totient is φ = 2085000.

The previous prime is 2099033. The next prime is 2099059. The reversal of 2099051 is 1509902.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 2099051 - 2¹⁰ = 2098027 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2099051.

It is not an unprimeable number, because it can be changed into a prime (2099059) 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, 6800 + ... + 7101.

It is an arithmetic number, because the mean of its divisors is an integer number (528276).

2^2099051 is an apocalyptic number.

2099051 is a deficient number, since it is larger than the sum of its proper divisors (14053).

2099051 is a wasteful number, since it uses less digits than its factorization.

2099051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14052.

The product of its (nonzero) digits is 810, while the sum is 26.

The square root of 2099051 is about 1448.8102015102. The cubic root of 2099051 is about 128.0386235982.

The spelling of 2099051 in words is "two million, ninety-nine thousand, fifty-one".