5214521 has 12 divisors (see below), whose sum is σ = 5791212. Its totient is φ = 4667328.

The previous prime is 5214499. The next prime is 5214527. The reversal of 5214521 is 1254125.

It can be written as a sum of positive squares in 6 ways, for example, as 1357225 + 3857296 = 1165^2 + 1964^2 .

It is not a de Polignac number, because 5214521 - 2¹⁸ = 4952377 is a prime.

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

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5214493 and 5214502.

It is not an unprimeable number, because it can be changed into a prime (5214527) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17651 + ... + 17943.

It is an arithmetic number, because the mean of its divisors is an integer number (482601).

Almost surely, 2^5214521 is an apocalyptic number.

It is an amenable number.

5214521 is a deficient number, since it is larger than the sum of its proper divisors (576691).

5214521 is a wasteful number, since it uses less digits than its factorization.

5214521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 380 (or 343 counting only the distinct ones).

The product of its digits is 400, while the sum is 20.

The square root of 5214521 is about 2283.5325703830. The cubic root of 5214521 is about 173.4089360367.

Adding to 5214521 its reverse (1254125), we get a palindrome (6468646).

The spelling of 5214521 in words is "five million, two hundred fourteen thousand, five hundred twenty-one".