4562421 has 8 divisors (see below), whose sum is σ = 6093120. Its totient is φ = 3036672.

The previous prime is 4562419. The next prime is 4562497. The reversal of 4562421 is 1242654.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4562421 - 2¹ = 4562419 is a prime.

It is a super-3 number, since 3×4562421³ (a number of 21 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4562391 and 4562400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4562401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2800 + ... + 4118.

It is an arithmetic number, because the mean of its divisors is an integer number (761640).

Almost surely, 2^4562421 is an apocalyptic number.

It is an amenable number.

4562421 is a deficient number, since it is larger than the sum of its proper divisors (1530699).

4562421 is a wasteful number, since it uses less digits than its factorization.

4562421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2475.

The product of its digits is 1920, while the sum is 24.

The square root of 4562421 is about 2135.9824437481. The cubic root of 4562421 is about 165.8562286400.

The spelling of 4562421 in words is "four million, five hundred sixty-two thousand, four hundred twenty-one".