4125321265 has 24 divisors (see below), whose sum is σ = 5413662648. Its totient is φ = 3016166400.

The previous prime is 4125321259. The next prime is 4125321301. The reversal of 4125321265 is 5621235214.

It can be written as a sum of positive squares in 12 ways, for example, as 501401664 + 3623919601 = 22392^2 + 60199^2 .

It is not a de Polignac number, because 4125321265 - 2¹¹ = 4125319217 is a prime.

It is a super-2 number, since 2×4125321265² = 34036551078922400450, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 61177 + ... + 109513.

It is an arithmetic number, because the mean of its divisors is an integer number (225569277).

Almost surely, 2^4125321265 is an apocalyptic number.

It is an amenable number.

4125321265 is a deficient number, since it is larger than the sum of its proper divisors (1288341383).

4125321265 is a wasteful number, since it uses less digits than its factorization.

4125321265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48469 (or 48456 counting only the distinct ones).

The product of its digits is 14400, while the sum is 31.

The square root of 4125321265 is about 64228.6638892636. The cubic root of 4125321265 is about 1603.8087990087.

Adding to 4125321265 its reverse (5621235214), we get a palindrome (9746556479).

The spelling of 4125321265 in words is "four billion, one hundred twenty-five million, three hundred twenty-one thousand, two hundred sixty-five".