3315250665 has 24 divisors (see below), whose sum is σ = 6084461448. Its totient is φ = 1664125440.

The previous prime is 3315250621. The next prime is 3315250691. The reversal of 3315250665 is 5660525133.

It can be written as a sum of positive squares in 4 ways, for example, as 1545197481 + 1770053184 = 39309^2 + 42072^2 .

It is not a de Polignac number, because 3315250665 - 2⁷ = 3315250537 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2166066 + ... + 2167595.

It is an arithmetic number, because the mean of its divisors is an integer number (253519227).

Almost surely, 2^3315250665 is an apocalyptic number.

It is an amenable number.

3315250665 is a deficient number, since it is larger than the sum of its proper divisors (2769210783).

3315250665 is a wasteful number, since it uses less digits than its factorization.

3315250665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4333689 (or 4333686 counting only the distinct ones).

The product of its (nonzero) digits is 81000, while the sum is 36.

The square root of 3315250665 is about 57578.2134578696. The cubic root of 3315250665 is about 1491.0954910793.

Adding to 3315250665 its reverse (5660525133), we get a palindrome (8975775798).

The spelling of 3315250665 in words is "three billion, three hundred fifteen million, two hundred fifty thousand, six hundred sixty-five".