3225399521 has 8 divisors (see below), whose sum is σ = 3304813344. Its totient is φ = 3146021280.

The previous prime is 3225399493. The next prime is 3225399523. The reversal of 3225399521 is 1259935223.

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 3225399521 - 2¹⁰ = 3225398497 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3225399523) 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, 346490 + ... + 355676.

It is an arithmetic number, because the mean of its divisors is an integer number (413101668).

Almost surely, 2^3225399521 is an apocalyptic number.

It is an amenable number.

3225399521 is a deficient number, since it is larger than the sum of its proper divisors (79413823).

3225399521 is an equidigital number, since it uses as much as digits as its factorization.

3225399521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17791.

The product of its digits is 145800, while the sum is 41.

The square root of 3225399521 is about 56792.6009353331. The cubic root of 3225399521 is about 1477.5011889749.

The spelling of 3225399521 in words is "three billion, two hundred twenty-five million, three hundred ninety-nine thousand, five hundred twenty-one".