2051313 has 12 divisors (see below), whose sum is σ = 3006864. Its totient is φ = 1243000.

The previous prime is 2051311. The next prime is 2051321. The reversal of 2051313 is 3131502.

It is a happy number.

It is not a de Polignac number, because 2051313 - 2¹ = 2051311 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2051292 and 2051301.

It is not an unprimeable number, because it can be changed into a prime (2051311) 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 11 ways as a sum of consecutive naturals, for example, 2463 + ... + 3188.

It is an arithmetic number, because the mean of its divisors is an integer number (250572).

2^2051313 is an apocalyptic number.

It is an amenable number.

2051313 is a deficient number, since it is larger than the sum of its proper divisors (955551).

2051313 is a wasteful number, since it uses less digits than its factorization.

2051313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5676 (or 5665 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 15.

The square root of 2051313 is about 1432.2405524213. The cubic root of 2051313 is about 127.0605246055.

Adding to 2051313 its reverse (3131502), we get a palindrome (5182815).

The spelling of 2051313 in words is "two million, fifty-one thousand, three hundred thirteen".