3454021 has 2 divisors, whose sum is σ = 3454022. Its totient is φ = 3454020.

The previous prime is 3454013. The next prime is 3454027. The reversal of 3454021 is 1204543.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3441025 + 12996 = 1855^2 + 114^2 .

It is a cyclic number.

It is not a de Polignac number, because 3454021 - 2³ = 3454013 is a prime.

It is a super-2 number, since 2×3454021² = 23860522136882, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3454021.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3454027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1727010 + 1727011.

It is an arithmetic number, because the mean of its divisors is an integer number (1727011).

Almost surely, 2^3454021 is an apocalyptic number.

It is an amenable number.

3454021 is a deficient number, since it is larger than the sum of its proper divisors (1).

3454021 is an equidigital number, since it uses as much as digits as its factorization.

3454021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 3454021 is about 1858.4996637073. The cubic root of 3454021 is about 151.1616618689.

Adding to 3454021 its reverse (1204543), we get a palindrome (4658564).

The spelling of 3454021 in words is "three million, four hundred fifty-four thousand, twenty-one".