3225005765 has 4 divisors (see below), whose sum is σ = 3870006924. Its totient is φ = 2580004608.

The previous prime is 3225005713. The next prime is 3225005779. The reversal of 3225005765 is 5675005223.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5675005223 = 65011 ⋅87293.

It can be written as a sum of positive squares in 2 ways, for example, as 1665782596 + 1559223169 = 40814^2 + 39487^2 .

It is a cyclic number.

It is not a de Polignac number, because 3225005765 - 2⁶ = 3225005701 is a prime.

It is a Duffinian number.

It is a congruent 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, 322500572 + ... + 322500581.

It is an arithmetic number, because the mean of its divisors is an integer number (967501731).

Almost surely, 2^3225005765 is an apocalyptic number.

It is an amenable number.

3225005765 is a deficient number, since it is larger than the sum of its proper divisors (645001159).

3225005765 is an equidigital number, since it uses as much as digits as its factorization.

3225005765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 645001158.

The product of its (nonzero) digits is 63000, while the sum is 35.

The square root of 3225005765 is about 56789.1342159748. The cubic root of 3225005765 is about 1477.4410621978.

The spelling of 3225005765 in words is "three billion, two hundred twenty-five million, five thousand, seven hundred sixty-five".