3325413665 has 24 divisors (see below), whose sum is σ = 4767478632. Its totient is φ = 2218648320.

The previous prime is 3325413661. The next prime is 3325413667. The reversal of 3325413665 is 5663145233.

It can be written as a sum of positive squares in 4 ways, for example, as 1934944144 + 1390469521 = 43988^2 + 37289^2 .

It is not a de Polignac number, because 3325413665 - 2² = 3325413661 is a prime.

It is a super-2 number, since 2×3325413665² = 22116752086737464450, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3325413661) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 174356 + ... + 192485.

It is an arithmetic number, because the mean of its divisors is an integer number (198644943).

Almost surely, 2^3325413665 is an apocalyptic number.

3325413665 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3325413665 is a deficient number, since it is larger than the sum of its proper divisors (1442064967).

3325413665 is a wasteful number, since it uses less digits than its factorization.

3325413665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 366897 (or 366890 counting only the distinct ones).

The product of its digits is 194400, while the sum is 38.

The square root of 3325413665 is about 57666.3997922534. The cubic root of 3325413665 is about 1492.6176027089.

Adding to 3325413665 its reverse (5663145233), we get a palindrome (8988558898).

The spelling of 3325413665 in words is "three billion, three hundred twenty-five million, four hundred thirteen thousand, six hundred sixty-five".