2005349 has 4 divisors (see below), whose sum is σ = 2048064. Its totient is φ = 1962636.

The previous prime is 2005343. The next prime is 2005369. The reversal of 2005349 is 9435002.

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 a de Polignac number, because none of the positive numbers 2^k-2005349 is a prime.

It is a super-2 number, since 2×2005349² = 8042849223602, which contains 22 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 (2005343) 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, 21287 + ... + 21380.

It is an arithmetic number, because the mean of its divisors is an integer number (512016).

2^2005349 is an apocalyptic number.

It is an amenable number.

2005349 is a deficient number, since it is larger than the sum of its proper divisors (42715).

2005349 is an equidigital number, since it uses as much as digits as its factorization.

2005349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42714.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 2005349 is about 1416.1034566726. The cubic root of 2005349 is about 126.1043269646.

It can be divided in two parts, 20053 and 49, that added together give a palindrome (20102).

The spelling of 2005349 in words is "two million, five thousand, three hundred forty-nine".