5310421 has 4 divisors (see below), whose sum is σ = 5315200. Its totient is φ = 5305644.

The previous prime is 5310379. The next prime is 5310427. The reversal of 5310421 is 1240135.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 5310421 - 2⁷ = 5310293 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5310395 and 5310404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5310427) 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, 250 + ... + 3268.

It is an arithmetic number, because the mean of its divisors is an integer number (1328800).

Almost surely, 2^5310421 is an apocalyptic number.

It is an amenable number.

5310421 is a deficient number, since it is larger than the sum of its proper divisors (4779).

5310421 is a wasteful number, since it uses less digits than its factorization.

5310421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4778.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 5310421 is about 2304.4350717692. The cubic root of 5310421 is about 174.4655367172.

Adding to 5310421 its reverse (1240135), we get a palindrome (6550556).

The spelling of 5310421 in words is "five million, three hundred ten thousand, four hundred twenty-one".