2530034021 has 2 divisors, whose sum is σ = 2530034022. Its totient is φ = 2530034020.

The previous prime is 2530033999. The next prime is 2530034029. The reversal of 2530034021 is 1204300352.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2525565025 + 4468996 = 50255^2 + 2114^2 .

It is a cyclic number.

It is not a de Polignac number, because 2530034021 - 2¹⁰ = 2530032997 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2530033984 and 2530034002.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2530034029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1265017010 + 1265017011.

It is an arithmetic number, because the mean of its divisors is an integer number (1265017011).

Almost surely, 2^2530034021 is an apocalyptic number.

It is an amenable number.

2530034021 is a deficient number, since it is larger than the sum of its proper divisors (1).

2530034021 is an equidigital number, since it uses as much as digits as its factorization.

2530034021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 2530034021 is about 50299.4435456298. The cubic root of 2530034021 is about 1362.6221794988.

Adding to 2530034021 its reverse (1204300352), we get a palindrome (3734334373).

The spelling of 2530034021 in words is "two billion, five hundred thirty million, thirty-four thousand, twenty-one".