4580421 has 4 divisors (see below), whose sum is σ = 6107232. Its totient is φ = 3053612.

The previous prime is 4580417. The next prime is 4580441. The reversal of 4580421 is 1240854.

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 a cyclic number.

It is not a de Polignac number, because 4580421 - 2² = 4580417 is a prime.

It is an Ulam number.

It is a D-number.

It is a junction number, because it is equal to n+sod(n) for n = 4580391 and 4580400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4580441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 763401 + ... + 763406.

It is an arithmetic number, because the mean of its divisors is an integer number (1526808).

Almost surely, 2^4580421 is an apocalyptic number.

It is an amenable number.

4580421 is a deficient number, since it is larger than the sum of its proper divisors (1526811).

4580421 is a wasteful number, since it uses less digits than its factorization.

4580421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1526810.

The product of its (nonzero) digits is 1280, while the sum is 24.

The square root of 4580421 is about 2140.1918138335. The cubic root of 4580421 is about 166.0740585019.

The spelling of 4580421 in words is "four million, five hundred eighty thousand, four hundred twenty-one".