4539505 has 8 divisors (see below), whose sum is σ = 5522472. Its totient is φ = 3581568.

The previous prime is 4539481. The next prime is 4539511. The reversal of 4539505 is 5059354.

It can be written as a sum of positive squares in 4 ways, for example, as 15376 + 4524129 = 124^2 + 2127^2 .

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 4539505 - 2⁷ = 4539377 is a prime.

It is a super-3 number, since 3×4539505³ (a number of 21 digits) contains 333 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5854 + ... + 6583.

It is an arithmetic number, because the mean of its divisors is an integer number (690309).

Almost surely, 2^4539505 is an apocalyptic number.

It is an amenable number.

4539505 is a deficient number, since it is larger than the sum of its proper divisors (982967).

4539505 is a wasteful number, since it uses less digits than its factorization.

4539505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12515.

The product of its (nonzero) digits is 13500, while the sum is 31.

The square root of 4539505 is about 2130.6114145944. The cubic root of 4539505 is about 165.5780764189.

The spelling of 4539505 in words is "four million, five hundred thirty-nine thousand, five hundred five".