5271271000 has 128 divisors (see below), whose sum is σ = 12871272960. Its totient is φ = 2018304000.

The previous prime is 5271270959. The next prime is 5271271003. The reversal of 5271271000 is 1721725.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5271271003) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3006124 + ... + 3007876.

It is an arithmetic number, because the mean of its divisors is an integer number (100556820).

Almost surely, 2^5271271000 is an apocalyptic number.

5271271000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5271271000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6435636480).

5271271000 is an abundant number, since it is smaller than the sum of its proper divisors (7600001960).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5271271000 is a wasteful number, since it uses less digits than its factorization.

5271271000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1902 (or 1888 counting only the distinct ones).

The product of its (nonzero) digits is 980, while the sum is 25.

The square root of 5271271000 is about 72603.5191984521. The cubic root of 5271271000 is about 1740.3574154579.

Adding to 5271271000 its reverse (1721725), we get a palindrome (5272992725).

The spelling of 5271271000 in words is "five billion, two hundred seventy-one million, two hundred seventy-one thousand".