3058421 has 2 divisors, whose sum is σ = 3058422. Its totient is φ = 3058420.

The previous prime is 3058403. The next prime is 3058423. The reversal of 3058421 is 1248503.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2686321 + 372100 = 1639^2 + 610^2 .

It is an emirp because it is prime and its reverse (1248503) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3058421 - 2¹⁴ = 3042037 is a prime.

It is a Sophie Germain prime.

Together with 3058423, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3058423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1529210 + 1529211.

It is an arithmetic number, because the mean of its divisors is an integer number (1529211).

Almost surely, 2^3058421 is an apocalyptic number.

It is an amenable number.

3058421 is a deficient number, since it is larger than the sum of its proper divisors (1).

3058421 is an equidigital number, since it uses as much as digits as its factorization.

3058421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 3058421 is about 1748.8341831060. The cubic root of 3058421 is about 145.1551411233.

The spelling of 3058421 in words is "three million, fifty-eight thousand, four hundred twenty-one".