1013788525 has 12 divisors (see below), whose sum is σ = 1300446900. Its totient is φ = 783063680.

The previous prime is 1013788519. The next prime is 1013788537. The reversal of 1013788525 is 5258873101.

It can be written as a sum of positive squares in 6 ways, for example, as 39162564 + 974625961 = 6258^2 + 31219^2 .

It is not a de Polignac number, because 1013788525 - 2⁷ = 1013788397 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 698440 + ... + 699889.

It is an arithmetic number, because the mean of its divisors is an integer number (108370575).

Almost surely, 2^1013788525 is an apocalyptic number.

It is an amenable number.

1013788525 is a deficient number, since it is larger than the sum of its proper divisors (286658375).

1013788525 is a wasteful number, since it uses less digits than its factorization.

1013788525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1398368 (or 1398363 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 40.

The square root of 1013788525 is about 31840.0459327558. The cubic root of 1013788525 is about 1004.5752105250.

The spelling of 1013788525 in words is "one billion, thirteen million, seven hundred eighty-eight thousand, five hundred twenty-five".