2011345 has 8 divisors (see below), whose sum is σ = 2758464. Its totient is φ = 1379184.

The previous prime is 2011333. The next prime is 2011363. The reversal of 2011345 is 5431102.

2011345 = 198² + 199² + ... + 239².

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2011345 - 2¹³ = 2003153 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 28699 + ... + 28768.

It is an arithmetic number, because the mean of its divisors is an integer number (344808).

2^2011345 is an apocalyptic number.

It is an amenable number.

2011345 is a deficient number, since it is larger than the sum of its proper divisors (747119).

2011345 is an equidigital number, since it uses as much as digits as its factorization.

2011345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57479.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 2011345 is about 1418.2189534765. The cubic root of 2011345 is about 126.2298860222.

Adding to 2011345 its reverse (5431102), we get a palindrome (7442447).

The spelling of 2011345 in words is "two million, eleven thousand, three hundred forty-five".