5013521 has 8 divisors (see below), whose sum is σ = 5438664. Its totient is φ = 4602880.

The previous prime is 5013479. The next prime is 5013527. The reversal of 5013521 is 1253105.

It can be written as a sum of positive squares in 4 ways, for example, as 400 + 5013121 = 20^2 + 2239^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5013521 - 2⁶ = 5013457 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5013521.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5013527) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2900 + ... + 4293.

It is an arithmetic number, because the mean of its divisors is an integer number (679833).

Almost surely, 2^5013521 is an apocalyptic number.

It is an amenable number.

5013521 is a deficient number, since it is larger than the sum of its proper divisors (425143).

5013521 is a wasteful number, since it uses less digits than its factorization.

5013521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7251.

The product of its (nonzero) digits is 150, while the sum is 17.

The square root of 5013521 is about 2239.0893238100. The cubic root of 5013521 is about 171.1515931686.

Adding to 5013521 its reverse (1253105), we get a palindrome (6266626).

The spelling of 5013521 in words is "five million, thirteen thousand, five hundred twenty-one".