4025221013 has 8 divisors (see below), whose sum is σ = 4493270496. Its totient is φ = 3574191600.

The previous prime is 4025220971. The next prime is 4025221021. The reversal of 4025221013 is 3101225204.

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 4025221013 - 2¹⁸ = 4024958869 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4025221033) 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, 4254518 + ... + 4255463.

It is an arithmetic number, because the mean of its divisors is an integer number (561658812).

Almost surely, 2^4025221013 is an apocalyptic number.

4025221013 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

It is an amenable number.

4025221013 is a deficient number, since it is larger than the sum of its proper divisors (468049483).

4025221013 is a wasteful number, since it uses less digits than its factorization.

4025221013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8510035.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 4025221013 is about 63444.6295047894. The cubic root of 4025221013 is about 1590.7303861908.

Adding to 4025221013 its reverse (3101225204), we get a palindrome (7126446217).

The spelling of 4025221013 in words is "four billion, twenty-five million, two hundred twenty-one thousand, thirteen".