5025221021 has 8 divisors (see below), whose sum is σ = 5055120000. Its totient is φ = 4995406080.

The previous prime is 5025220999. The next prime is 5025221027. The reversal of 5025221021 is 1201225205.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 5025221021 - 2¹⁴ = 5025204637 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5025220984 and 5025221002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5025221027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101030 + ... + 142328.

It is an arithmetic number, because the mean of its divisors is an integer number (631890000).

Almost surely, 2^5025221021 is an apocalyptic number.

It is an amenable number.

5025221021 is a deficient number, since it is larger than the sum of its proper divisors (29898979).

5025221021 is a wasteful number, since it uses less digits than its factorization.

5025221021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42019.

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 5025221021 is about 70888.7933385807. The cubic root of 5025221021 is about 1712.8462818381.

Adding to 5025221021 its reverse (1201225205), we get a palindrome (6226446226).

The spelling of 5025221021 in words is "five billion, twenty-five million, two hundred twenty-one thousand, twenty-one".