5113421 has 4 divisors (see below), whose sum is σ = 5132700. Its totient is φ = 5094144.

The previous prime is 5113417. The next prime is 5113441. The reversal of 5113421 is 1243115.

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 2175625 + 2937796 = 1475^2 + 1714^2 .

It is a cyclic number.

It is not a de Polignac number, because 5113421 - 2² = 5113417 is a prime.

It is a super-2 number, since 2×5113421² = 52294148646482, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5113421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5113441) 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, 9236 + ... + 9773.

It is an arithmetic number, because the mean of its divisors is an integer number (1283175).

Almost surely, 2^5113421 is an apocalyptic number.

It is an amenable number.

5113421 is a deficient number, since it is larger than the sum of its proper divisors (19279).

5113421 is a wasteful number, since it uses less digits than its factorization.

5113421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19278.

The product of its digits is 120, while the sum is 17.

The square root of 5113421 is about 2261.2874651402. The cubic root of 5113421 is about 172.2809205089.

Adding to 5113421 its reverse (1243115), we get a palindrome (6356536).

The spelling of 5113421 in words is "five million, one hundred thirteen thousand, four hundred twenty-one".