5450521 has 6 divisors (see below), whose sum is σ = 5645822. Its totient is φ = 5261760.

The previous prime is 5450519. The next prime is 5450531. The reversal of 5450521 is 1250545.

It can be written as a sum of positive squares in 3 ways, for example, as 2250000 + 3200521 = 1500^2 + 1789^2 .

It is not a de Polignac number, because 5450521 - 2¹ = 5450519 is a prime.

It is a super-3 number, since 3×5450521³ (a number of 21 digits) contains 333 as substring.

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

It is a Duffinian number.

5450521 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 5450492 and 5450501.

It is not an unprimeable number, because it can be changed into a prime (5450531) 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 in 5 ways as a sum of consecutive naturals, for example, 2400 + ... + 4081.

Almost surely, 2^5450521 is an apocalyptic number.

It is an amenable number.

5450521 is a deficient number, since it is larger than the sum of its proper divisors (195301).

5450521 is an equidigital number, since it uses as much as digits as its factorization.

5450521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6539 (or 6510 counting only the distinct ones).

The product of its (nonzero) digits is 1000, while the sum is 22.

The square root of 5450521 is about 2334.6350892591. The cubic root of 5450521 is about 175.9864938844.

The spelling of 5450521 in words is "five million, four hundred fifty thousand, five hundred twenty-one".