4528231 has 8 divisors (see below), whose sum is σ = 4641840. Its totient is φ = 4416192.

The previous prime is 4528229. The next prime is 4528241. The reversal of 4528231 is 1328254.

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 4528231 - 2¹ = 4528229 is a prime.

It is a super-2 number, since 2×4528231² = 41009751978722, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4528196 and 4528205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4528211) 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, 7081 + ... + 7693.

It is an arithmetic number, because the mean of its divisors is an integer number (580230).

Almost surely, 2^4528231 is an apocalyptic number.

4528231 is a deficient number, since it is larger than the sum of its proper divisors (113609).

4528231 is an equidigital number, since it uses as much as digits as its factorization.

4528231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 785.

The product of its digits is 1920, while the sum is 25.

The square root of 4528231 is about 2127.9640504482. The cubic root of 4528231 is about 165.4408900423.

The spelling of 4528231 in words is "four million, five hundred twenty-eight thousand, two hundred thirty-one".