4528915 has 4 divisors (see below), whose sum is σ = 5434704. Its totient is φ = 3623128.

The previous prime is 4528913. The next prime is 4528921. The reversal of 4528915 is 5198254.

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 4528915 - 2¹ = 4528913 is a prime.

It is a super-2 number, since 2×4528915² = 41022142154450, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4528913) 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, 452887 + ... + 452896.

It is an arithmetic number, because the mean of its divisors is an integer number (1358676).

Almost surely, 2^4528915 is an apocalyptic number.

4528915 is a deficient number, since it is larger than the sum of its proper divisors (905789).

4528915 is an equidigital number, since it uses as much as digits as its factorization.

4528915 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 905788.

The product of its digits is 14400, while the sum is 34.

The square root of 4528915 is about 2128.1247613803. The cubic root of 4528915 is about 165.4492197021.

The spelling of 4528915 in words is "four million, five hundred twenty-eight thousand, nine hundred fifteen".