2030521289 has 2 divisors, whose sum is σ = 2030521290. Its totient is φ = 2030521288.

The previous prime is 2030521267. The next prime is 2030521309. The reversal of 2030521289 is 9821250302.

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., 1340145664 + 690375625 = 36608^2 + 26275^2 .

It is a cyclic number.

It is not a de Polignac number, because 2030521289 - 2¹² = 2030517193 is a prime.

It is not a weakly prime, because it can be changed into another prime (2030521789) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1015260644 + 1015260645.

It is an arithmetic number, because the mean of its divisors is an integer number (1015260645).

Almost surely, 2^2030521289 is an apocalyptic number.

It is an amenable number.

2030521289 is a deficient number, since it is larger than the sum of its proper divisors (1).

2030521289 is an equidigital number, since it uses as much as digits as its factorization.

2030521289 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 2030521289 is about 45061.3058954132. The cubic root of 2030521289 is about 1266.2977904248.

The spelling of 2030521289 in words is "two billion, thirty million, five hundred twenty-one thousand, two hundred eighty-nine".