5181250 has 24 divisors (see below), whose sum is σ = 9725940. Its totient is φ = 2070000.

The previous prime is 5181223. The next prime is 5181251. The reversal of 5181250 is 521815.

It can be written as a sum of positive squares in 6 ways, for example, as 502681 + 4678569 = 709^2 + 2163^2 .

It is a super-3 number, since 3×5181250³ (a number of 21 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (5181251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5836 + ... + 6664.

Almost surely, 2^5181250 is an apocalyptic number.

5181250 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

5181250 is a deficient number, since it is larger than the sum of its proper divisors (4544690).

5181250 is an frugal number, since it uses more digits than its factorization.

5181250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 856 (or 836 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 22.

The square root of 5181250 is about 2276.2359280180. The cubic root of 5181250 is about 173.0393397343.

The spelling of 5181250 in words is "five million, one hundred eighty-one thousand, two hundred fifty".