5628539 has 4 divisors (see below), whose sum is σ = 6432624. Its totient is φ = 4824456.

The previous prime is 5628533. The next prime is 5628569. The reversal of 5628539 is 9358265.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 5628539 - 2⁸ = 5628283 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5628533) 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, 402032 + ... + 402045.

It is an arithmetic number, because the mean of its divisors is an integer number (1608156).

Almost surely, 2^5628539 is an apocalyptic number.

5628539 is a deficient number, since it is larger than the sum of its proper divisors (804085).

5628539 is an equidigital number, since it uses as much as digits as its factorization.

5628539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 804084.

The product of its digits is 64800, while the sum is 38.

The square root of 5628539 is about 2372.4542145213. The cubic root of 5628539 is about 177.8819547250.

The spelling of 5628539 in words is "five million, six hundred twenty-eight thousand, five hundred thirty-nine".