5342421 has 12 divisors (see below), whose sum is σ = 8286432. Its totient is φ = 3052728.

The previous prime is 5342399. The next prime is 5342431. The reversal of 5342421 is 1242435.

It is not a de Polignac number, because 5342421 - 2¹⁴ = 5326037 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5342431) 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, 18025 + ... + 18318.

It is an arithmetic number, because the mean of its divisors is an integer number (690536).

Almost surely, 2^5342421 is an apocalyptic number.

It is an amenable number.

5342421 is a deficient number, since it is larger than the sum of its proper divisors (2944011).

5342421 is a wasteful number, since it uses less digits than its factorization.

5342421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36360 (or 36353 counting only the distinct ones).

The product of its digits is 960, while the sum is 21.

The square root of 5342421 is about 2311.3677768802. The cubic root of 5342421 is about 174.8152717380.

Adding to 5342421 its reverse (1242435), we get a palindrome (6584856).

The spelling of 5342421 in words is "five million, three hundred forty-two thousand, four hundred twenty-one".