3450521 has 2 divisors, whose sum is σ = 3450522. Its totient is φ = 3450520.

The previous prime is 3450487. The next prime is 3450523. The reversal of 3450521 is 1250543.

3450521 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3200521 + 250000 = 1789^2 + 500^2 .

It is a cyclic number.

It is not a de Polignac number, because 3450521 - 2¹⁰ = 3449497 is a prime.

Together with 3450523, it forms a pair of twin primes.

It is a Chen prime.

It is an alternating number because its digits alternate between odd and even.

It is a junction number, because it is equal to n+sod(n) for n = 3450493 and 3450502.

It is not a weakly prime, because it can be changed into another prime (3450523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1725260 + 1725261.

It is an arithmetic number, because the mean of its divisors is an integer number (1725261).

Almost surely, 2^3450521 is an apocalyptic number.

It is an amenable number.

3450521 is a deficient number, since it is larger than the sum of its proper divisors (1).

3450521 is an equidigital number, since it uses as much as digits as its factorization.

3450521 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 3450521 is about 1857.5578052917. The cubic root of 3450521 is about 151.1105866516.

The spelling of 3450521 in words is "three million, four hundred fifty thousand, five hundred twenty-one".