3125916671 has 2 divisors, whose sum is σ = 3125916672. Its totient is φ = 3125916670.

The previous prime is 3125916649. The next prime is 3125916763. The reversal of 3125916671 is 1766195213.

It is a weak prime.

It is an emirp because it is prime and its reverse (1766195213) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3125916671 is a prime.

It is a super-3 number, since 3×3125916671³ (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3125916071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1562958335 + 1562958336.

It is an arithmetic number, because the mean of its divisors is an integer number (1562958336).

Almost surely, 2^3125916671 is an apocalyptic number.

3125916671 is a deficient number, since it is larger than the sum of its proper divisors (1).

3125916671 is an equidigital number, since it uses as much as digits as its factorization.

3125916671 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 68040, while the sum is 41.

The square root of 3125916671 is about 55909.8977909994. The cubic root of 3125916671 is about 1462.1518077851.

The spelling of 3125916671 in words is "three billion, one hundred twenty-five million, nine hundred sixteen thousand, six hundred seventy-one".