5086421 has 4 divisors (see below), whose sum is σ = 5156172. Its totient is φ = 5016672.

The previous prime is 5086409. The next prime is 5086423. The reversal of 5086421 is 1246805.

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 1030225 + 4056196 = 1015^2 + 2014^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5086421 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5086423) 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 3 ways as a sum of consecutive naturals, for example, 34766 + ... + 34911.

It is an arithmetic number, because the mean of its divisors is an integer number (1289043).

Almost surely, 2^5086421 is an apocalyptic number.

It is an amenable number.

5086421 is a deficient number, since it is larger than the sum of its proper divisors (69751).

5086421 is an equidigital number, since it uses as much as digits as its factorization.

5086421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69750.

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 5086421 is about 2255.3095131267. The cubic root of 5086421 is about 171.9771580447.

The spelling of 5086421 in words is "five million, eighty-six thousand, four hundred twenty-one".