1020516241 has 2 divisors, whose sum is σ = 1020516242. Its totient is φ = 1020516240.

The previous prime is 1020516181. The next prime is 1020516253. The reversal of 1020516241 is 1426150201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 574081600 + 446434641 = 23960^2 + 21129^2 .

It is a cyclic number.

It is not a de Polignac number, because 1020516241 - 2²¹ = 1018419089 is a prime.

It is not a weakly prime, because it can be changed into another prime (1020516271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510258120 + 510258121.

It is an arithmetic number, because the mean of its divisors is an integer number (510258121).

Almost surely, 2^1020516241 is an apocalyptic number.

It is an amenable number.

1020516241 is a deficient number, since it is larger than the sum of its proper divisors (1).

1020516241 is an equidigital number, since it uses as much as digits as its factorization.

1020516241 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 1020516241 is about 31945.5198893366. The cubic root of 1020516241 is about 1006.7925044193.

Adding to 1020516241 its reverse (1426150201), we get a palindrome (2446666442).

The spelling of 1020516241 in words is "one billion, twenty million, five hundred sixteen thousand, two hundred forty-one".