4528057 has 4 divisors (see below), whose sum is σ = 4574836. Its totient is φ = 4481280.

The previous prime is 4528021. The next prime is 4528087. The reversal of 4528057 is 7508254.

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

It can be written as a sum of positive squares in 2 ways, for example, as 3701776 + 826281 = 1924^2 + 909^2 .

It is a cyclic number.

It is not a de Polignac number, because 4528057 - 2¹⁵ = 4495289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4528087) 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, 23244 + ... + 23437.

It is an arithmetic number, because the mean of its divisors is an integer number (1143709).

Almost surely, 2^4528057 is an apocalyptic number.

It is an amenable number.

4528057 is a deficient number, since it is larger than the sum of its proper divisors (46779).

4528057 is an equidigital number, since it uses as much as digits as its factorization.

4528057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46778.

The product of its (nonzero) digits is 11200, while the sum is 31.

The square root of 4528057 is about 2127.9231659061. The cubic root of 4528057 is about 165.4387709599.

The spelling of 4528057 in words is "four million, five hundred twenty-eight thousand, fifty-seven".