3521265 has 16 divisors (see below), whose sum is σ = 6146496. Its totient is φ = 1707200.

The previous prime is 3521257. The next prime is 3521281. The reversal of 3521265 is 5621253.

It is not a de Polignac number, because 3521265 - 2³ = 3521257 is a prime.

3521265 is a lucky number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10506 + ... + 10835.

It is an arithmetic number, because the mean of its divisors is an integer number (384156).

Almost surely, 2^3521265 is an apocalyptic number.

It is an amenable number.

3521265 is a deficient number, since it is larger than the sum of its proper divisors (2625231).

3521265 is a wasteful number, since it uses less digits than its factorization.

3521265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21360.

The product of its digits is 1800, while the sum is 24.

The square root of 3521265 is about 1876.5033972791. The cubic root of 3521265 is about 152.1363187285.

The spelling of 3521265 in words is "three million, five hundred twenty-one thousand, two hundred sixty-five".