5181670 has 32 divisors (see below), whose sum is σ = 10487232. Its totient is φ = 1828992.

The previous prime is 5181667. The next prime is 5181677. The reversal of 5181670 is 761815.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5181677) 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 15 ways as a sum of consecutive naturals, for example, 2124 + ... + 3856.

It is an arithmetic number, because the mean of its divisors is an integer number (327726).

Almost surely, 2^5181670 is an apocalyptic number.

5181670 is an abundant number, since it is smaller than the sum of its proper divisors (5305562).

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

5181670 is a wasteful number, since it uses less digits than its factorization.

5181670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1776.

The product of its (nonzero) digits is 1680, while the sum is 28.

The square root of 5181670 is about 2276.3281837204. The cubic root of 5181670 is about 173.0440152186.

The spelling of 5181670 in words is "five million, one hundred eighty-one thousand, six hundred seventy".