5083521021 has 6 divisors (see below), whose sum is σ = 7342863710. Its totient is φ = 3389014008.

The previous prime is 5083521011. The next prime is 5083521029. The reversal of 5083521021 is 1201253805.

It is a happy number.

5083521021 is a `hidden beast` number, since 508 + 3 + 52 + 102 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 5042420100 + 41100921 = 71010^2 + 6411^2 .

It is not a de Polignac number, because 5083521021 - 2⁵ = 5083520989 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 (5083521029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 282417826 + ... + 282417843.

Almost surely, 2^5083521021 is an apocalyptic number.

It is an amenable number.

5083521021 is a deficient number, since it is larger than the sum of its proper divisors (2259342689).

5083521021 is a wasteful number, since it uses less digits than its factorization.

5083521021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 564835675 (or 564835672 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

The square root of 5083521021 is about 71298.8150041780. The cubic root of 5083521021 is about 1719.4446806757. Note that the first 3 decimals are identical.

Adding to 5083521021 its reverse (1201253805), we get a palindrome (6284774826).

The spelling of 5083521021 in words is "five billion, eighty-three million, five hundred twenty-one thousand, twenty-one".