4006313 has 4 divisors (see below), whose sum is σ = 4061268. Its totient is φ = 3951360.

The previous prime is 4006309. The next prime is 4006319. The reversal of 4006313 is 3136004.

4006313 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1075369 + 2930944 = 1037^2 + 1712^2 .

It is a cyclic number.

It is not a de Polignac number, because 4006313 - 2² = 4006309 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4006291 and 4006300.

It is not an unprimeable number, because it can be changed into a prime (4006319) 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 3 ways as a sum of consecutive naturals, for example, 27368 + ... + 27513.

It is an arithmetic number, because the mean of its divisors is an integer number (1015317).

Almost surely, 2^4006313 is an apocalyptic number.

It is an amenable number.

4006313 is a deficient number, since it is larger than the sum of its proper divisors (54955).

4006313 is an equidigital number, since it uses as much as digits as its factorization.

4006313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54954.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 4006313 is about 2001.5776277727. The cubic root of 4006313 is about 158.8235718255.

The spelling of 4006313 in words is "four million, six thousand, three hundred thirteen".