3065421 has 4 divisors (see below), whose sum is σ = 4087232. Its totient is φ = 2043612.

The previous prime is 3065411. The next prime is 3065431. The reversal of 3065421 is 1245603.

It is a happy number.

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: 1245603 = 3 ⋅415201.

It is an interprime number because it is at equal distance from previous prime (3065411) and next prime (3065431).

It is not a de Polignac number, because 3065421 - 2¹¹ = 3063373 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3065401) 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, 510901 + ... + 510906.

It is an arithmetic number, because the mean of its divisors is an integer number (1021808).

Almost surely, 2^3065421 is an apocalyptic number.

It is an amenable number.

3065421 is a deficient number, since it is larger than the sum of its proper divisors (1021811).

3065421 is a wasteful number, since it uses less digits than its factorization.

3065421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1021810.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 3065421 is about 1750.8343725207. The cubic root of 3065421 is about 145.2657986357.

It can be divided in two parts, 3065 and 421, that added together give a triangular number (3486 = T₈₃).

The spelling of 3065421 in words is "three million, sixty-five thousand, four hundred twenty-one".