3225240505 has 4 divisors (see below), whose sum is σ = 3870288612. Its totient is φ = 2580192400.

The previous prime is 3225240503. The next prime is 3225240511. The reversal of 3225240505 is 5050425223.

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 1355196969 + 1870043536 = 36813^2 + 43244^2 .

It is not a de Polignac number, because 3225240505 - 2¹ = 3225240503 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3225240503) 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, 322524046 + ... + 322524055.

It is an arithmetic number, because the mean of its divisors is an integer number (967572153).

Almost surely, 2^3225240505 is an apocalyptic number.

It is an amenable number.

3225240505 is a deficient number, since it is larger than the sum of its proper divisors (645048107).

3225240505 is an equidigital number, since it uses as much as digits as its factorization.

3225240505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 645048106.

The product of its (nonzero) digits is 12000, while the sum is 28.

The square root of 3225240505 is about 56791.2009469777. The cubic root of 3225240505 is about 1477.4769077255.

Adding to 3225240505 its reverse (5050425223), we get a palindrome (8275665728).

The spelling of 3225240505 in words is "three billion, two hundred twenty-five million, two hundred forty thousand, five hundred five".