3531265 has 4 divisors (see below), whose sum is σ = 4237524. Its totient is φ = 2825008.

The previous prime is 3531247. The next prime is 3531271. The reversal of 3531265 is 5621353.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5621353 = 271 ⋅20743.

It can be written as a sum of positive squares in 2 ways, for example, as 531441 + 2999824 = 729^2 + 1732^2 .

It is a cyclic number.

It is not a de Polignac number, because 3531265 - 2⁵ = 3531233 is a prime.

It is a d-powerful number, because it can be written as 3¹¹ + 5 + 3¹³ + 1 + 2¹¹ + 6⁸ + 5⁷ .

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, 353122 + ... + 353131.

It is an arithmetic number, because the mean of its divisors is an integer number (1059381).

Almost surely, 2^3531265 is an apocalyptic number.

It is an amenable number.

3531265 is a deficient number, since it is larger than the sum of its proper divisors (706259).

3531265 is an equidigital number, since it uses as much as digits as its factorization.

3531265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 706258.

The product of its digits is 2700, while the sum is 25.

The square root of 3531265 is about 1879.1660384330. The cubic root of 3531265 is about 152.2801993404.

The spelling of 3531265 in words is "three million, five hundred thirty-one thousand, two hundred sixty-five".