5187500 has 42 divisors (see below), whose sum is σ = 11484228. Its totient is φ = 2050000.

The previous prime is 5187487. The next prime is 5187503. The reversal of 5187500 is 57815.

It is a self number, because there is not a number n which added to its sum of digits gives 5187500.

It is not an unprimeable number, because it can be changed into a prime (5187503) by changing a digit.

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 13 ways as a sum of consecutive naturals, for example, 62459 + ... + 62541.

It is an arithmetic number, because the mean of its divisors is an integer number (273434).

Almost surely, 2^5187500 is an apocalyptic number.

5187500 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 5187500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5742114).

5187500 is an abundant number, since it is smaller than the sum of its proper divisors (6296728).

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

5187500 is an frugal number, since it uses more digits than its factorization.

5187500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117 (or 90 counting only the distinct ones).

The product of its (nonzero) digits is 1400, while the sum is 26.

The square root of 5187500 is about 2277.6083947861. The cubic root of 5187500 is about 173.1088893157.

The spelling of 5187500 in words is "five million, one hundred eighty-seven thousand, five hundred".