2013365 has 8 divisors (see below), whose sum is σ = 2426328. Its totient is φ = 1603840.

The previous prime is 2013359. The next prime is 2013367. The reversal of 2013365 is 5633102.

It can be written as a sum of positive squares in 4 ways, for example, as 625681 + 1387684 = 791^2 + 1178^2 .

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

It is not a de Polignac number, because 2013365 - 2⁶ = 2013301 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2013367) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 689 + ... + 2121.

It is an arithmetic number, because the mean of its divisors is an integer number (303291).

2^2013365 is an apocalyptic number.

It is an amenable number.

2013365 is a deficient number, since it is larger than the sum of its proper divisors (412963).

2013365 is a wasteful number, since it uses less digits than its factorization.

2013365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1719.

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 2013365 is about 1418.9309355991. The cubic root of 2013365 is about 126.2721295718.

Adding to 2013365 its reverse (5633102), we get a palindrome (7646467).

The spelling of 2013365 in words is "two million, thirteen thousand, three hundred sixty-five".