2045313 has 6 divisors (see below), whose sum is σ = 2954354. Its totient is φ = 1363536.

The previous prime is 2045311. The next prime is 2045317. The reversal of 2045313 is 3135402.

It can be written as a sum of positive squares in only one way, i.e., 1871424 + 173889 = 1368^2 + 417^2 .

It is not a de Polignac number, because 2045313 - 2¹ = 2045311 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2045311) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 113620 + ... + 113637.

2^2045313 is an apocalyptic number.

It is an amenable number.

2045313 is a deficient number, since it is larger than the sum of its proper divisors (909041).

2045313 is a wasteful number, since it uses less digits than its factorization.

2045313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227263 (or 227260 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 2045313 is about 1430.1443983039. The cubic root of 2045313 is about 126.9365214832.

The spelling of 2045313 in words is "two million, forty-five thousand, three hundred thirteen".