4530133021 has 4 divisors (see below), whose sum is σ = 4796611452. Its totient is φ = 4263654592.

The previous prime is 4530132989. The next prime is 4530133039. The reversal of 4530133021 is 1203310354.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1233765625 + 3296367396 = 35125^2 + 57414^2 .

It is a cyclic number.

It is not a de Polignac number, because 4530133021 - 2⁵ = 4530132989 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4530132983 and 4530133001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4530133051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 133239190 + ... + 133239223.

It is an arithmetic number, because the mean of its divisors is an integer number (1199152863).

Almost surely, 2^4530133021 is an apocalyptic number.

It is an amenable number.

4530133021 is a deficient number, since it is larger than the sum of its proper divisors (266478431).

4530133021 is a wasteful number, since it uses less digits than its factorization.

4530133021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266478430.

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 4530133021 is about 67306.2628660959. The cubic root of 4530133021 is about 1654.6405052147.

Adding to 4530133021 its reverse (1203310354), we get a palindrome (5733443375).

The spelling of 4530133021 in words is "four billion, five hundred thirty million, one hundred thirty-three thousand, twenty-one".