4507285 has 4 divisors (see below), whose sum is σ = 5408748. Its totient is φ = 3605824.

The previous prime is 4507277. The next prime is 4507289. The reversal of 4507285 is 5827054.

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 2762244 + 1745041 = 1662^2 + 1321^2 .

It is a cyclic number.

It is not a de Polignac number, because 4507285 - 2³ = 4507277 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4507289) 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, 450724 + ... + 450733.

It is an arithmetic number, because the mean of its divisors is an integer number (1352187).

Almost surely, 2^4507285 is an apocalyptic number.

It is an amenable number.

4507285 is a deficient number, since it is larger than the sum of its proper divisors (901463).

4507285 is an equidigital number, since it uses as much as digits as its factorization.

4507285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 901462.

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

The square root of 4507285 is about 2123.0367401437. The cubic root of 4507285 is about 165.1854053008.

The spelling of 4507285 in words is "four million, five hundred seven thousand, two hundred eighty-five".