1013345513 has 4 divisors (see below), whose sum is σ = 1013419860. Its totient is φ = 1013271168.

The previous prime is 1013345507. The next prime is 1013345551. The reversal of 1013345513 is 3155433101.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 253350889 + 759994624 = 15917^2 + 27568^2 .

It is a cyclic number.

It is not a de Polignac number, because 1013345513 - 2¹⁰ = 1013344489 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1013341513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10208 + ... + 46161.

It is an arithmetic number, because the mean of its divisors is an integer number (253354965).

Almost surely, 2^1013345513 is an apocalyptic number.

It is an amenable number.

1013345513 is a deficient number, since it is larger than the sum of its proper divisors (74347).

1013345513 is an equidigital number, since it uses as much as digits as its factorization.

1013345513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74346.

The product of its (nonzero) digits is 2700, while the sum is 26.

The square root of 1013345513 is about 31833.0883358810. The cubic root of 1013345513 is about 1004.4288605703.

Adding to 1013345513 its reverse (3155433101), we get a palindrome (4168778614).

The spelling of 1013345513 in words is "one billion, thirteen million, three hundred forty-five thousand, five hundred thirteen".