3253921 has 8 divisors (see below), whose sum is σ = 3736800. Its totient is φ = 2802240.

The previous prime is 3253889. The next prime is 3253933. The reversal of 3253921 is 1293523.

It is a happy number.

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 3253921 - 2⁵ = 3253889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3253961) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7576 + ... + 7993.

It is an arithmetic number, because the mean of its divisors is an integer number (467100).

Almost surely, 2^3253921 is an apocalyptic number.

It is an amenable number.

3253921 is a deficient number, since it is larger than the sum of its proper divisors (482879).

3253921 is a wasteful number, since it uses less digits than its factorization.

3253921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15599.

The product of its digits is 1620, while the sum is 25.

The square root of 3253921 is about 1803.8627996608. The cubic root of 3253921 is about 148.1843484399.

The spelling of 3253921 in words is "three million, two hundred fifty-three thousand, nine hundred twenty-one".