5028521 has 4 divisors (see below), whose sum is σ = 5293200. Its totient is φ = 4763844.

The previous prime is 5028509. The next prime is 5028523. The reversal of 5028521 is 1258205.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5028521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5028523) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 132311 + ... + 132348.

It is an arithmetic number, because the mean of its divisors is an integer number (1323300).

Almost surely, 2^5028521 is an apocalyptic number.

It is an amenable number.

5028521 is a deficient number, since it is larger than the sum of its proper divisors (264679).

5028521 is a wasteful number, since it uses less digits than its factorization.

5028521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264678.

The product of its (nonzero) digits is 800, while the sum is 23.

The square root of 5028521 is about 2242.4363982062. The cubic root of 5028521 is about 171.3221132345.

The spelling of 5028521 in words is "five million, twenty-eight thousand, five hundred twenty-one".