1013345551 has 2 divisors, whose sum is σ = 1013345552. Its totient is φ = 1013345550.

The previous prime is 1013345507. The next prime is 1013345609. The reversal of 1013345551 is 1555433101.

It is a weak prime.

It is an emirp because it is prime and its reverse (1555433101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1013345551 - 2¹³ = 1013337359 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1013345651) 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 as a sum of consecutive naturals, namely, 506672775 + 506672776.

It is an arithmetic number, because the mean of its divisors is an integer number (506672776).

Almost surely, 2^1013345551 is an apocalyptic number.

1013345551 is a deficient number, since it is larger than the sum of its proper divisors (1).

1013345551 is an equidigital number, since it uses as much as digits as its factorization.

1013345551 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4500, while the sum is 28.

The square root of 1013345551 is about 31833.0889327442. The cubic root of 1013345551 is about 1004.4288731255.

Adding to 1013345551 its reverse (1555433101), we get a palindrome (2568778652).

The spelling of 1013345551 in words is "one billion, thirteen million, three hundred forty-five thousand, five hundred fifty-one".