4284525821 has 8 divisors (see below), whose sum is σ = 4512592320. Its totient is φ = 4056715872.

The previous prime is 4284525811. The next prime is 4284525881. The reversal of 4284525821 is 1285254824.

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 4284525821 - 2⁶ = 4284525757 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 (4284525811) 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, 29360 + ... + 97113.

It is an arithmetic number, because the mean of its divisors is an integer number (564074040).

Almost surely, 2^4284525821 is an apocalyptic number.

It is an amenable number.

4284525821 is a deficient number, since it is larger than the sum of its proper divisors (228066499).

4284525821 is a wasteful number, since it uses less digits than its factorization.

4284525821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128275.

The product of its digits is 204800, while the sum is 41.

The square root of 4284525821 is about 65456.2893922349. The cubic root of 4284525821 is about 1624.1803608976.

The spelling of 4284525821 in words is "four billion, two hundred eighty-four million, five hundred twenty-five thousand, eight hundred twenty-one".