3125866607 has 4 divisors (see below), whose sum is σ = 3126177600. Its totient is φ = 3125555616.

The previous prime is 3125866531. The next prime is 3125866637. The reversal of 3125866607 is 7066685213.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7066685213 = 7 ⋅1009526459.

It is a cyclic number.

It is not a de Polignac number, because 3125866607 - 2¹⁴ = 3125850223 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3125866637) 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, 139898 + ... + 160695.

It is an arithmetic number, because the mean of its divisors is an integer number (781544400).

Almost surely, 2^3125866607 is an apocalyptic number.

3125866607 is a deficient number, since it is larger than the sum of its proper divisors (310993).

3125866607 is a wasteful number, since it uses less digits than its factorization.

3125866607 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310992.

The product of its (nonzero) digits is 362880, while the sum is 44.

The square root of 3125866607 is about 55909.4500688390. The cubic root of 3125866607 is about 1462.1440019086.

The spelling of 3125866607 in words is "three billion, one hundred twenty-five million, eight hundred sixty-six thousand, six hundred seven".