5224921 has 4 divisors (see below), whose sum is σ = 5626852. Its totient is φ = 4822992.

The previous prime is 5224913. The next prime is 5224931. The reversal of 5224921 is 1294225.

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

It can be written as a sum of positive squares in 2 ways, for example, as 336400 + 4888521 = 580^2 + 2211^2 .

It is a cyclic number.

It is not a de Polignac number, because 5224921 - 2³ = 5224913 is a prime.

It is a Duffinian number.

5224921 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (5224931) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 200946 + ... + 200971.

It is an arithmetic number, because the mean of its divisors is an integer number (1406713).

Almost surely, 2^5224921 is an apocalyptic number.

It is an amenable number.

5224921 is a deficient number, since it is larger than the sum of its proper divisors (401931).

5224921 is a wasteful number, since it uses less digits than its factorization.

5224921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 401930.

The product of its digits is 1440, while the sum is 25.

The square root of 5224921 is about 2285.8086096609. The cubic root of 5224921 is about 173.5241435062.

The spelling of 5224921 in words is "five million, two hundred twenty-four thousand, nine hundred twenty-one".