5612421 has 4 divisors (see below), whose sum is σ = 7483232. Its totient is φ = 3741612.

The previous prime is 5612407. The next prime is 5612423. The reversal of 5612421 is 1242165.

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.

It is not a de Polignac number, because 5612421 - 2⁶ = 5612357 is a prime.

It is a D-number.

It is a Duffinian number.

5612421 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5612423) 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, 935401 + ... + 935406.

It is an arithmetic number, because the mean of its divisors is an integer number (1870808).

Almost surely, 2^5612421 is an apocalyptic number.

It is an amenable number.

5612421 is a deficient number, since it is larger than the sum of its proper divisors (1870811).

5612421 is a wasteful number, since it uses less digits than its factorization.

5612421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1870810.

The product of its digits is 480, while the sum is 21.

The square root of 5612421 is about 2369.0548748393. The cubic root of 5612421 is about 177.7119969158.

Adding to 5612421 its reverse (1242165), we get a palindrome (6854586).

The spelling of 5612421 in words is "five million, six hundred twelve thousand, four hundred twenty-one".