5072021000 has 64 divisors (see below), whose sum is σ = 12002094000. Its totient is φ = 2005977600.

The previous prime is 5072020999. The next prime is 5072021041. The reversal of 5072021000 is 1202705.

It can be written as a sum of positive squares in 8 ways, for example, as 263153284 + 4808867716 = 16222^2 + 69346^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 5072021000.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60506 + ... + 117494.

Almost surely, 2^5072021000 is an apocalyptic number.

5072021000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5072021000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6001047000).

5072021000 is an abundant number, since it is smaller than the sum of its proper divisors (6930073000).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5072021000 is a wasteful number, since it uses less digits than its factorization.

5072021000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57099 (or 57085 counting only the distinct ones).

The product of its (nonzero) digits is 140, while the sum is 17.

The square root of 5072021000 is about 71218.1226935953. The cubic root of 5072021000 is about 1718.1471168168.

Adding to 5072021000 its reverse (1202705), we get a palindrome (5073223705).

The spelling of 5072021000 in words is "five billion, seventy-two million, twenty-one thousand".