5205001671 has 12 divisors (see below), whose sum is σ = 7525129560. Its totient is φ = 3466865520.

The previous prime is 5205001661. The next prime is 5205001709. The reversal of 5205001671 is 1761005025.

5205001671 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-5205001671 is a prime.

It is a super-2 number, since 2×5205001671² = 54184084790225584482, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5205001621) 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 11 ways as a sum of consecutive naturals, for example, 250765 + ... + 270726.

It is an arithmetic number, because the mean of its divisors is an integer number (627094130).

Almost surely, 2^5205001671 is an apocalyptic number.

5205001671 is a deficient number, since it is larger than the sum of its proper divisors (2320127889).

5205001671 is a wasteful number, since it uses less digits than its factorization.

5205001671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 522606 (or 522603 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 27.

The square root of 5205001671 is about 72145.6975224441. The cubic root of 5205001671 is about 1733.0334997360.

Adding to 5205001671 its reverse (1761005025), we get a palindrome (6966006696).

The spelling of 5205001671 in words is "five billion, two hundred five million, one thousand, six hundred seventy-one".