5271420 has 144 divisors (see below), whose sum is σ = 18845568. Its totient is φ = 1088640.

The previous prime is 5271419. The next prime is 5271443. The reversal of 5271420 is 241725.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 32259 + ... + 32421.

It is an arithmetic number, because the mean of its divisors is an integer number (130872).

Almost surely, 2^5271420 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5271420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9422784).

5271420 is an abundant number, since it is smaller than the sum of its proper divisors (13574148).

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

5271420 is a wasteful number, since it uses less digits than its factorization.

5271420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200 (or 191 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 21.

The square root of 5271420 is about 2295.9573166764. The cubic root of 5271420 is about 174.0373813199.

The spelling of 5271420 in words is "five million, two hundred seventy-one thousand, four hundred twenty".