1020063613 has 2 divisors, whose sum is σ = 1020063614. Its totient is φ = 1020063612.

The previous prime is 1020063581. The next prime is 1020063643. The reversal of 1020063613 is 3163600201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 565393284 + 454670329 = 23778^2 + 21323^2 .

It is a cyclic number.

It is not a de Polignac number, because 1020063613 - 2⁵ = 1020063581 is a prime.

It is a super-2 number, since 2×1020063613² = 2081059549133227538, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1020063643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510031806 + 510031807.

It is an arithmetic number, because the mean of its divisors is an integer number (510031807).

Almost surely, 2^1020063613 is an apocalyptic number.

It is an amenable number.

1020063613 is a deficient number, since it is larger than the sum of its proper divisors (1).

1020063613 is an equidigital number, since it uses as much as digits as its factorization.

1020063613 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 1020063613 is about 31938.4347299613. The cubic root of 1020063613 is about 1006.6436353638.

Adding to 1020063613 its reverse (3163600201), we get a palindrome (4183663814).

The spelling of 1020063613 in words is "one billion, twenty million, sixty-three thousand, six hundred thirteen".