3459521 has 4 divisors (see below), whose sum is σ = 3725652. Its totient is φ = 3193392.

The previous prime is 3459487. The next prime is 3459541. The reversal of 3459521 is 1259543.

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 703921 + 2755600 = 839^2 + 1660^2 .

It is a cyclic number.

It is not a de Polignac number, because 3459521 - 2¹⁴ = 3443137 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3459541) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 133046 + ... + 133071.

It is an arithmetic number, because the mean of its divisors is an integer number (931413).

Almost surely, 2^3459521 is an apocalyptic number.

It is an amenable number.

3459521 is a deficient number, since it is larger than the sum of its proper divisors (266131).

3459521 is a wasteful number, since it uses less digits than its factorization.

3459521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266130.

The product of its digits is 5400, while the sum is 29.

The square root of 3459521 is about 1859.9787633196. The cubic root of 3459521 is about 151.2418532597.

The spelling of 3459521 in words is "three million, four hundred fifty-nine thousand, five hundred twenty-one".