5133421 has 4 divisors (see below), whose sum is σ = 5230332. Its totient is φ = 5036512.

The previous prime is 5133407. The next prime is 5133437. The reversal of 5133421 is 1243315.

5133421 is digitally balanced in base 3, 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 1929321 + 3204100 = 1389^2 + 1790^2 .

It is a cyclic number.

It is not a de Polignac number, because 5133421 - 2⁵ = 5133389 is a prime.

It is a super-2 number, since 2×5133421² = 52704022326482, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

5133421 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5133451) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48376 + ... + 48481.

It is an arithmetic number, because the mean of its divisors is an integer number (1307583).

Almost surely, 2^5133421 is an apocalyptic number.

It is an amenable number.

5133421 is a deficient number, since it is larger than the sum of its proper divisors (96911).

5133421 is an equidigital number, since it uses as much as digits as its factorization.

5133421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96910.

The product of its digits is 360, while the sum is 19.

The square root of 5133421 is about 2265.7054089179. The cubic root of 5133421 is about 172.5052410366.

Adding to 5133421 its reverse (1243315), we get a palindrome (6376736).

The spelling of 5133421 in words is "five million, one hundred thirty-three thousand, four hundred twenty-one".