5171540 has 36 divisors (see below), whose sum is σ = 11942868. Its totient is φ = 1879680.

The previous prime is 5171533. The next prime is 5171549. The reversal of 5171540 is 451715.

5171540 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 894916 + 4276624 = 946^2 + 2068^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5171549) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1352 + ... + 3488.

Almost surely, 2^5171540 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 5171540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5971434).

5171540 is an abundant number, since it is smaller than the sum of its proper divisors (6771328).

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

5171540 is a wasteful number, since it uses less digits than its factorization.

5171540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2168 (or 2155 counting only the distinct ones).

The product of its (nonzero) digits is 700, while the sum is 23.

The square root of 5171540 is about 2274.1020205787. The cubic root of 5171540 is about 172.9311764731.

The spelling of 5171540 in words is "five million, one hundred seventy-one thousand, five hundred forty".