5270813 has 4 divisors (see below), whose sum is σ = 5291580. Its totient is φ = 5250048.

The previous prime is 5270807. The next prime is 5270821. The reversal of 5270813 is 3180725.

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 3523129 + 1747684 = 1877^2 + 1322^2 .

It is a cyclic number.

It is not a de Polignac number, because 5270813 - 2⁸ = 5270557 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 (5270843) 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, 9998 + ... + 10511.

It is an arithmetic number, because the mean of its divisors is an integer number (1322895).

Almost surely, 2^5270813 is an apocalyptic number.

It is an amenable number.

5270813 is a deficient number, since it is larger than the sum of its proper divisors (20767).

5270813 is a wasteful number, since it uses less digits than its factorization.

5270813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20766.

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 5270813 is about 2295.8251240023. The cubic root of 5270813 is about 174.0307009728.

The spelling of 5270813 in words is "five million, two hundred seventy thousand, eight hundred thirteen".