5194821 has 8 divisors (see below), whose sum is σ = 7040224. Its totient is φ = 3406320.

The previous prime is 5194817. The next prime is 5194879. The reversal of 5194821 is 1284915.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5194821 - 2² = 5194817 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5194811) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14011 + ... + 14376.

It is an arithmetic number, because the mean of its divisors is an integer number (880028).

Almost surely, 2^5194821 is an apocalyptic number.

It is an amenable number.

5194821 is a deficient number, since it is larger than the sum of its proper divisors (1845403).

5194821 is a wasteful number, since it uses less digits than its factorization.

5194821 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28451.

The product of its digits is 2880, while the sum is 30.

The square root of 5194821 is about 2279.2149964407. The cubic root of 5194821 is about 173.1902859075.

The spelling of 5194821 in words is "five million, one hundred ninety-four thousand, eight hundred twenty-one".