3528505 has 8 divisors (see below), whose sum is σ = 4348872. Its totient is φ = 2746368.

The previous prime is 3528479. The next prime is 3528521. The reversal of 3528505 is 5058253.

It can be written as a sum of positive squares in 4 ways, for example, as 157609 + 3370896 = 397^2 + 1836^2 .

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 3528505 - 2¹⁹ = 3004217 is a prime.

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, 9352 + ... + 9721.

It is an arithmetic number, because the mean of its divisors is an integer number (543609).

Almost surely, 2^3528505 is an apocalyptic number.

It is an amenable number.

3528505 is a deficient number, since it is larger than the sum of its proper divisors (820367).

3528505 is a wasteful number, since it uses less digits than its factorization.

3528505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19115.

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 3528505 is about 1878.4315265668. The cubic root of 3528505 is about 152.2405154597.

The spelling of 3528505 in words is "three million, five hundred twenty-eight thousand, five hundred five".