3252440305 has 4 divisors (see below), whose sum is σ = 3902928372. Its totient is φ = 2601952240.

The previous prime is 3252440291. The next prime is 3252440329. The reversal of 3252440305 is 5030442523.

3252440305 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2423691361 + 828748944 = 49231^2 + 28788^2 .

It is not a de Polignac number, because 3252440305 - 2⁹ = 3252439793 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 325244026 + ... + 325244035.

It is an arithmetic number, because the mean of its divisors is an integer number (975732093).

Almost surely, 2^3252440305 is an apocalyptic number.

It is an amenable number.

3252440305 is a deficient number, since it is larger than the sum of its proper divisors (650488067).

3252440305 is an equidigital number, since it uses as much as digits as its factorization.

3252440305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 650488066.

The product of its (nonzero) digits is 14400, while the sum is 28.

The square root of 3252440305 is about 57030.1701295025. The cubic root of 3252440305 is about 1481.6186796034.

Adding to 3252440305 its reverse (5030442523), we get a palindrome (8282882828).

The spelling of 3252440305 in words is "three billion, two hundred fifty-two million, four hundred forty thousand, three hundred five".