3025421 has 4 divisors (see below), whose sum is σ = 3457632. Its totient is φ = 2593212.

The previous prime is 3025409. The next prime is 3025423. The reversal of 3025421 is 1245203.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1245203 = 19 ⋅65537.

It is a cyclic number.

It is not a de Polignac number, because 3025421 - 2⁶ = 3025357 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3025421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3025423) 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, 216095 + ... + 216108.

It is an arithmetic number, because the mean of its divisors is an integer number (864408).

Almost surely, 2^3025421 is an apocalyptic number.

It is an amenable number.

3025421 is a deficient number, since it is larger than the sum of its proper divisors (432211).

3025421 is an equidigital number, since it uses as much as digits as its factorization.

3025421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 432210.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 3025421 is about 1739.3737378723. The cubic root of 3025421 is about 144.6311831776.

The spelling of 3025421 in words is "three million, twenty-five thousand, four hundred twenty-one".