2530327021 has 2 divisors, whose sum is σ = 2530327022. Its totient is φ = 2530327020.

The previous prime is 2530327003. The next prime is 2530327061. The reversal of 2530327021 is 1207230352.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1890945225 + 639381796 = 43485^2 + 25286^2 .

It is a cyclic number.

It is not a de Polignac number, because 2530327021 - 2⁷ = 2530326893 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2530327061) 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 as a sum of consecutive naturals, namely, 1265163510 + 1265163511.

It is an arithmetic number, because the mean of its divisors is an integer number (1265163511).

Almost surely, 2^2530327021 is an apocalyptic number.

It is an amenable number.

2530327021 is a deficient number, since it is larger than the sum of its proper divisors (1).

2530327021 is an equidigital number, since it uses as much as digits as its factorization.

2530327021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2520, while the sum is 25.

The square root of 2530327021 is about 50302.3560183815. The cubic root of 2530327021 is about 1362.6747786449.

Adding to 2530327021 its reverse (1207230352), we get a palindrome (3737557373).

The spelling of 2530327021 in words is "two billion, five hundred thirty million, three hundred twenty-seven thousand, twenty-one".