3125230065 has 24 divisors (see below), whose sum is σ = 5519278440. Its totient is φ = 1635339264.

The previous prime is 3125230061. The next prime is 3125230081. The reversal of 3125230065 is 5600325213.

It can be written as a sum of positive squares in 4 ways, for example, as 352575729 + 2772654336 = 18777^2 + 52656^2 .

It is not a de Polignac number, because 3125230065 - 2² = 3125230061 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3125230061) 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, 652800 + ... + 657569.

It is an arithmetic number, because the mean of its divisors is an integer number (229969935).

Almost surely, 2^3125230065 is an apocalyptic number.

It is an amenable number.

3125230065 is a deficient number, since it is larger than the sum of its proper divisors (2394048375).

3125230065 is a wasteful number, since it uses less digits than its factorization.

3125230065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1310433 (or 1310430 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

The square root of 3125230065 is about 55903.7571635396. The cubic root of 3125230065 is about 1462.0447463135.

Adding to 3125230065 its reverse (5600325213), we get a palindrome (8725555278).

The spelling of 3125230065 in words is "three billion, one hundred twenty-five million, two hundred thirty thousand, sixty-five".