2049217 has 4 divisors (see below), whose sum is σ = 2053296. Its totient is φ = 2045140.

The previous prime is 2049191. The next prime is 2049263. The reversal of 2049217 is 7129402.

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 2049217 - 2¹⁵ = 2016449 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2049191 and 2049200.

It is not an unprimeable number, because it can be changed into a prime (2049287) 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, 1159 + ... + 2332.

It is an arithmetic number, because the mean of its divisors is an integer number (513324).

2^2049217 is an apocalyptic number.

It is an amenable number.

2049217 is a deficient number, since it is larger than the sum of its proper divisors (4079).

2049217 is an equidigital number, since it uses as much as digits as its factorization.

2049217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4078.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 2049217 is about 1431.5086447521. The cubic root of 2049217 is about 127.0172336958.

The spelling of 2049217 in words is "two million, forty-nine thousand, two hundred seventeen".