3061421 has 6 divisors (see below), whose sum is σ = 3365166. Its totient is φ = 2783000.

The previous prime is 3061403. The next prime is 3061427. The reversal of 3061421 is 1241603.

It can be written as a sum of positive squares in only one way, i.e., 2758921 + 302500 = 1661^2 + 550^2 .

It is not a de Polignac number, because 3061421 - 2¹⁰ = 3060397 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 3061421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3061427) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12530 + ... + 12771.

It is an arithmetic number, because the mean of its divisors is an integer number (560861).

Almost surely, 2^3061421 is an apocalyptic number.

It is an amenable number.

3061421 is a deficient number, since it is larger than the sum of its proper divisors (303745).

3061421 is a wasteful number, since it uses less digits than its factorization.

3061421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25323 (or 25312 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 3061421 is about 1749.6916871266. The cubic root of 3061421 is about 145.2025864247.

The spelling of 3061421 in words is "three million, sixty-one thousand, four hundred twenty-one".