3125000913 has 4 divisors (see below), whose sum is σ = 4166667888. Its totient is φ = 2083333940.

The previous prime is 3125000909. The next prime is 3125000929. The reversal of 3125000913 is 3190005213.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3190005213 = 3 ⋅1063335071.

It is a cyclic number.

It is not a de Polignac number, because 3125000913 - 2² = 3125000909 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3125000933) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 520833483 + ... + 520833488.

It is an arithmetic number, because the mean of its divisors is an integer number (1041666972).

Almost surely, 2^3125000913 is an apocalyptic number.

It is an amenable number.

3125000913 is a deficient number, since it is larger than the sum of its proper divisors (1041666975).

3125000913 is a wasteful number, since it uses less digits than its factorization.

3125000913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1041666974.

The product of its (nonzero) digits is 810, while the sum is 24.

The square root of 3125000913 is about 55901.7076036144. The cubic root of 3125000913 is about 1462.0090114866.

The spelling of 3125000913 in words is "three billion, one hundred twenty-five million, nine hundred thirteen", and thus it is an aban number.