3525985 has 4 divisors (see below), whose sum is σ = 4231188. Its totient is φ = 2820784.

The previous prime is 3525979. The next prime is 3526027. The reversal of 3525985 is 5895253.

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 2322576 + 1203409 = 1524^2 + 1097^2 .

It is a cyclic number.

It is not a de Polignac number, because 3525985 - 2¹⁹ = 3001697 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 352594 + ... + 352603.

It is an arithmetic number, because the mean of its divisors is an integer number (1057797).

Almost surely, 2^3525985 is an apocalyptic number.

It is an amenable number.

3525985 is a deficient number, since it is larger than the sum of its proper divisors (705203).

3525985 is an equidigital number, since it uses as much as digits as its factorization.

3525985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 705202.

The product of its digits is 54000, while the sum is 37.

The square root of 3525985 is about 1877.7606343728. The cubic root of 3525985 is about 152.2042642743.

It can be divided in two parts, 35259 and 85, that added together give a square (35344 = 188²).

The spelling of 3525985 in words is "three million, five hundred twenty-five thousand, nine hundred eighty-five".