5351421 has 12 divisors (see below), whose sum is σ = 7338912. Its totient is φ = 3468528.

The previous prime is 5351419. The next prime is 5351429. The reversal of 5351421 is 1241535.

5351421 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 5351421 - 2¹ = 5351419 is a prime.

5351421 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5351429) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3456 + ... + 4758.

It is an arithmetic number, because the mean of its divisors is an integer number (611576).

Almost surely, 2^5351421 is an apocalyptic number.

It is an amenable number.

5351421 is a deficient number, since it is larger than the sum of its proper divisors (1987491).

5351421 is a wasteful number, since it uses less digits than its factorization.

5351421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1380 (or 1343 counting only the distinct ones).

The product of its digits is 600, while the sum is 21.

The square root of 5351421 is about 2313.3138567864. The cubic root of 5351421 is about 174.9133829859.

Adding to 5351421 its reverse (1241535), we get a palindrome (6592956).

It can be divided in two parts, 53514 and 21, that added together give a palindrome (53535).

The spelling of 5351421 in words is "five million, three hundred fifty-one thousand, four hundred twenty-one".