1020522513 has 16 divisors (see below), whose sum is σ = 1396454976. Its totient is φ = 662530560.

The previous prime is 1020522487. The next prime is 1020522521. The reversal of 1020522513 is 3152250201.

1020522513 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1020522513 - 2¹⁸ = 1020260369 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1020522513.

It is not an unprimeable number, because it can be changed into a prime (1020522523) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61881 + ... + 76617.

It is an arithmetic number, because the mean of its divisors is an integer number (87278436).

Almost surely, 2^1020522513 is an apocalyptic number.

It is an amenable number.

1020522513 is a deficient number, since it is larger than the sum of its proper divisors (375932463).

1020522513 is a wasteful number, since it uses less digits than its factorization.

1020522513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15344.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 1020522513 is about 31945.6180563156. The cubic root of 1020522513 is about 1006.7945669668.

Adding to 1020522513 its reverse (3152250201), we get a palindrome (4172772714).

The spelling of 1020522513 in words is "one billion, twenty million, five hundred twenty-two thousand, five hundred thirteen".