5728511 has 4 divisors (see below), whose sum is σ = 5742000. Its totient is φ = 5715024.

The previous prime is 5728477. The next prime is 5728517. The reversal of 5728511 is 1158275.

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

It is a cyclic number.

It is not a de Polignac number, because 5728511 - 2⁶ = 5728447 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5728517) 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, 6086 + ... + 6963.

It is an arithmetic number, because the mean of its divisors is an integer number (1435500).

Almost surely, 2^5728511 is an apocalyptic number.

5728511 is a deficient number, since it is larger than the sum of its proper divisors (13489).

5728511 is a wasteful number, since it uses less digits than its factorization.

5728511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13488.

The product of its digits is 2800, while the sum is 29.

The square root of 5728511 is about 2393.4308011722. The cubic root of 5728511 is about 178.9289378047.

The spelling of 5728511 in words is "five million, seven hundred twenty-eight thousand, five hundred eleven".