5021855 has 4 divisors (see below), whose sum is σ = 6026232. Its totient is φ = 4017480.

The previous prime is 5021837. The next prime is 5021869. The reversal of 5021855 is 5581205.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 5021855 - 2⁶ = 5021791 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 502181 + ... + 502190.

It is an arithmetic number, because the mean of its divisors is an integer number (1506558).

Almost surely, 2^5021855 is an apocalyptic number.

5021855 is a deficient number, since it is larger than the sum of its proper divisors (1004377).

5021855 is a wasteful number, since it uses less digits than its factorization.

5021855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1004376.

The product of its (nonzero) digits is 2000, while the sum is 26.

The square root of 5021855 is about 2240.9495755148. The cubic root of 5021855 is about 171.2463760400.

The spelling of 5021855 in words is "five million, twenty-one thousand, eight hundred fifty-five".