5213845 has 24 divisors (see below), whose sum is σ = 7842744. Its totient is φ = 3298176.

The previous prime is 5213839. The next prime is 5213861. The reversal of 5213845 is 5483125.

It can be written as a sum of positive squares in 4 ways, for example, as 164836 + 5049009 = 406^2 + 2247^2 .

It is not a de Polignac number, because 5213845 - 2⁷ = 5213717 is a prime.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 2367 + ... + 4003.

It is an arithmetic number, because the mean of its divisors is an integer number (326781).

Almost surely, 2^5213845 is an apocalyptic number.

It is an amenable number.

5213845 is a deficient number, since it is larger than the sum of its proper divisors (2628899).

5213845 is a wasteful number, since it uses less digits than its factorization.

5213845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1669 (or 1662 counting only the distinct ones).

The product of its digits is 4800, while the sum is 28.

The square root of 5213845 is about 2283.3845493039. The cubic root of 5213845 is about 173.4014422511.

The spelling of 5213845 in words is "five million, two hundred thirteen thousand, eight hundred forty-five".